Table 4.

Abdominal and Lung Ultrasound Findings and Variations

Variables in N, Median, IQR, (%)All Participants (n = 102)PTB Cases
(MRS Positive)
(n = 57)
TB Cases
(CRS Positive) (n = 73)
Unlikely TB (n = 29)Sensitivity (95% CI)Specificity (95% CI)
FASH
FASHoriginala42/101 (42%)25/56 (45%)29/72 (40%)13/29 (45%)0.4 [0.3–0.52]0.55 [0.38–0.72]
FASHascites44/101 (44%)27/56 (48%)31/72 (43%)13/29 (45%)0.43 [0.32–0.55]0.55 [0.38–0.72]
FASHpericardium44/101 (44%)26/56 (46%)31/72 (43%)13/29 (45%)0.43 [0.32–0.55]0.55 [0.38–0.72]
FASHpleura600ml22/101 (22%)13/56 (23%)16/72 (22%)6/29 (21%)0.22 [0.14–0.33]0.79 [0.62–0.9]
Pleural effusion present, any32/101 (32%)19/56 (34%)21/72 (29%)11/29 (38%)0.29 [0.2–0.41]0.62 [0.44–0.77]
Pleural effusion estimated volume346 [247–542] (N = 32)350 [250–596] (N = 19)350 [252–595] (N = 21)308 [149–430] (N = 11)
Pericardial effusion ≥10 mm5/101 (5%)2/56 (4%)3/72 (4%)2/29 (7%)0.04 [0.01–0.12]0.93 [0.78–0.98]
Hypoechoic spleen lesions <1.5 cm present4/101 (4%)1/56 (2%)1/72 (1%)3/29 (10%)0.01 [0–0.07]0.9 [0.74–0.96]
Hyperechoic spleen lesions present with or without calcification4/101 (4%)3/56 (5%)3/72 (4%)1/29 (3%)
Hypoechoic liver lesions2/101 (2%)0/56 (0%)0/72 (0%)2/29 (7%)0 [0–0.05]0.93 [0.78–0.98]
Abdominal lymph nodes ≥1.5 cm present9/101 (9%)6/56 (11%)8/72 (11%)1/29 (3%)0.11 [0.06–0.2]0.97 [0.83–1]
Ascites present6/101 (6%)3/56 (5%)4/72 (6%)2/29 (7%)0.06 [0.02–0.13]0.93 [0.78–0.98]
Lung ultrasound
consolidations
Subpleural consolidations (SPC) < 1 cm present84/101 (83%)51/56 (91%)60/72 (83%)24/29 (83%)0.83 [0.73–0.9]0.17 [0.08–0.35]
Number of subpleural consolidations <1 cmsingle: 6/84 (7)
2–5: 35/84 (42)
> 5: 43/84 (51)
single: 2/56 (4)
2–5: 18/56 (32)
> 5: 31/56 (55)
single: 3/60 (5)
2–5: 24 24/60 (40)
> 5: 33/60 (55)
single: 3/24 (13)
2–5: 11/24 (46)
> 5: 10/24 (42)
>5 SPCs <1 cm with at least one ≥5 mm36/101 (36%)27/56 (48%)28/72 (39%)8/29 (28%)0.39 [0.29–0.51]0.72 [0.54–0.85]
Subpleural consolidations ≥1 cm present54/101 (53%)39/56 (70%)41/72 (57%)13/29 (45%)0.57 [0.45–0.68]0.55 [0.38–0.72]
Any subpleural consolidation present, regardless of size?87/101 (86%)53/56 (95%)63/72 (88%)24/29 (83%)0.88 [0.78–0.93]0.17 [0.08–0.35]
Any consolidation in the apical regions42/101 (42%)31/56 (55%)33/72 (46%)9/29 (31%)0.46 [0.35–0.57]0.69 [0.51–0.83]
Any consolidations <1 cm in the apical regions35/101 (35%)24/56 (43%)26/72 (36%)9/29 (31%)0.36 [0.26–0.48]0.69 [0.51–0.83]
Any consolidations ≥1 cm in the apical regions15/101 (15%)13/56 (23%)14/72 (19%)1/29 (3%)0.19 [0.12–0.3]0.97 [0.83–1]
Other LUS findings
Miliary pattern present2/101 (2%)1/56 (2%)1/72 (1%)1/29 (3%)0.01 [0–0.07]0.97 [0.83–1]
B-lines (>2) in at least 1 lung zone81/101 (80%)47/56 (84%)57/72 (79%)24/29 (83%)0.79 [0.68–0.87]0.17 [0.08–0.35]
LUS findings in at least … lung zones
SPC < 1cm in at least 1 lung zone84/101 (83%)51/56 (91%)60/72 (83%)24/29 (83%)0.83 [0.73–0.9]0.17 [0.08–0.35]
≥2 lung zones72/101 (71%)46/56 (82%)54/72 (75%)18/29 (62%)0.75 [0.64–0.84]0.38 [0.23–0.56]
≥3 lung zones61/101 (60%)39/56 (70%)44/72 (61%)17/29 (59%)0.61 [0.5–0.72]0.41 [0.26–0.59]
≥4 lung zones52/101 (51%)34/56 (61%)37/72 (51%)15/29 (52%)0.51 [0.4–0.63]0.48 [0.31–0.66]
≥5 lung zones39/101 (39%)29/56 (52%)30/72 (42%)9/29 (31%)0.42 [0.31–0.53]0.69 [0.51–0.83]
≥6 lung zones22/101 (22%)14/56 (25%)14/72 (19%)8/29 (28%)0.19 [0.12–0.3]0.72 [0.54–0.85]
≥7 lung zones14/101 (14%)9/56 (16%)9/72 (12%)5/29 (17%)0.12 [0.07–0.22]0.83 [0.65–0.92]
SPC ≥ 1cm in at least 1 lung zone54/101 (53%)39/56 (70%)41/72 (57%)13/29 (45%)0.57 [0.45–0.68]0.55 [0.38–0.72]
≥2 lung zones29/101 (29%)25/56 (45%)25/72 (35%)4/29 (14%)0.35 [0.25–0.46]0.86 [0.69–0.95]
≥3 lung zones20/101 (20%)18/56 (32%)18/72 (25%)2/29 (7%)0.25 [0.16–0.36]0.93 [0.78–0.98]
≥4 lung zones12/101 (12%)11/56 (20%)11/72 (15%)1/29 (3%)0.15 [0.09–0.25]0.97 [0.83–1]
B-lines in at least 1 lung zone81/101 (80%)47/56 (84%)57/72 (79%)24/29 (83%)0.79 [0.68–0.87]0.17 [0.08–0.35]
≥2 lung zones57/101 (56%)35/56 (62%)39/72 (54%)18/29 (62%)0.54 [0.43–0.65]0.38 [0.23–0.56]
≥3 lung zones43/101 (43%)28/56 (50%)31/72 (43%)12/29 (41%)0.43 [0.32–0.55]0.59 [0.41–0.74]
≥4 lung zones29/101 (29%)20/56 (36%)20/72 (28%)9/29 (31%)0.28 [0.19–0.39]0.69 [0.51–0.83]
≥5 lung zones19/101 (19%)15/56 (27%)15/72 (21%)4/29 (14%)0.21 [0.13–0.32]0.86 [0.6–0.95]
≥6 lung zones13/101 (13%)9/56 (16%)9/72 (12%)4/29 (14%)0.12 [0.07–0.22]0.86 [0.69–0.95]
Combinations of FASH and LUS
FASH or SPC ≥ 1 cm69/101 (68%)45/56 (80%)51/72 (71%)18/29 (62%)0.71 [0.59–0.8]0.38 [0.23–0.56]
FASH or SPC ≥ 5 mm84/101 (83%)52/56 (93%)61/72 (85%)23/29 (79%)0.85 [0.75–0.91]0.21 [0.1–0.38]
Other targets
IMNs ≥0.5 cm present18/101 (18%)12/56 (21%)15/72 (21%)3/29 (10%)0.21 [0.13–0.32]0.9 [0.74–0.96]
Pleural laminar thickening14/101 (14%)10/56 (18%)10/72 (14%)4/29 (14%)
Intestinal thickening in the right lower quadrant >4 mm1/98 (1%)0/55 (0%)0/70 (0%)1/28 (4%)0 [0–0.05]0.96 [0–82;1]
Any peritoneal thickening (parietal, visceral, omental)2/101 (2%)1/56 (2%)2/72 (3%)0/29 (0%)0.03 [0.01–0.1]1 [0.88–1]
Mediastinal lymph nodes seen from suprasternal viewb1/85 (1%)1/44 (2%)1/56 (2%)0/29 (0%)
Peripheral lymph nodes present (only if clinical suspicion)12/99 (12%)4/55 (7%)11/70 (16%)1/29 (3%)0.16 [0.09–0.26]0.97 [0.83–1]
Variables in N, Median, IQR, (%)All Participants (n = 102)PTB Cases
(MRS Positive)
(n = 57)
TB Cases
(CRS Positive) (n = 73)
Unlikely TB (n = 29)Sensitivity (95% CI)Specificity (95% CI)
FASH
FASHoriginala42/101 (42%)25/56 (45%)29/72 (40%)13/29 (45%)0.4 [0.3–0.52]0.55 [0.38–0.72]
FASHascites44/101 (44%)27/56 (48%)31/72 (43%)13/29 (45%)0.43 [0.32–0.55]0.55 [0.38–0.72]
FASHpericardium44/101 (44%)26/56 (46%)31/72 (43%)13/29 (45%)0.43 [0.32–0.55]0.55 [0.38–0.72]
FASHpleura600ml22/101 (22%)13/56 (23%)16/72 (22%)6/29 (21%)0.22 [0.14–0.33]0.79 [0.62–0.9]
Pleural effusion present, any32/101 (32%)19/56 (34%)21/72 (29%)11/29 (38%)0.29 [0.2–0.41]0.62 [0.44–0.77]
Pleural effusion estimated volume346 [247–542] (N = 32)350 [250–596] (N = 19)350 [252–595] (N = 21)308 [149–430] (N = 11)
Pericardial effusion ≥10 mm5/101 (5%)2/56 (4%)3/72 (4%)2/29 (7%)0.04 [0.01–0.12]0.93 [0.78–0.98]
Hypoechoic spleen lesions <1.5 cm present4/101 (4%)1/56 (2%)1/72 (1%)3/29 (10%)0.01 [0–0.07]0.9 [0.74–0.96]
Hyperechoic spleen lesions present with or without calcification4/101 (4%)3/56 (5%)3/72 (4%)1/29 (3%)
Hypoechoic liver lesions2/101 (2%)0/56 (0%)0/72 (0%)2/29 (7%)0 [0–0.05]0.93 [0.78–0.98]
Abdominal lymph nodes ≥1.5 cm present9/101 (9%)6/56 (11%)8/72 (11%)1/29 (3%)0.11 [0.06–0.2]0.97 [0.83–1]
Ascites present6/101 (6%)3/56 (5%)4/72 (6%)2/29 (7%)0.06 [0.02–0.13]0.93 [0.78–0.98]
Lung ultrasound
consolidations
Subpleural consolidations (SPC) < 1 cm present84/101 (83%)51/56 (91%)60/72 (83%)24/29 (83%)0.83 [0.73–0.9]0.17 [0.08–0.35]
Number of subpleural consolidations <1 cmsingle: 6/84 (7)
2–5: 35/84 (42)
> 5: 43/84 (51)
single: 2/56 (4)
2–5: 18/56 (32)
> 5: 31/56 (55)
single: 3/60 (5)
2–5: 24 24/60 (40)
> 5: 33/60 (55)
single: 3/24 (13)
2–5: 11/24 (46)
> 5: 10/24 (42)
>5 SPCs <1 cm with at least one ≥5 mm36/101 (36%)27/56 (48%)28/72 (39%)8/29 (28%)0.39 [0.29–0.51]0.72 [0.54–0.85]
Subpleural consolidations ≥1 cm present54/101 (53%)39/56 (70%)41/72 (57%)13/29 (45%)0.57 [0.45–0.68]0.55 [0.38–0.72]
Any subpleural consolidation present, regardless of size?87/101 (86%)53/56 (95%)63/72 (88%)24/29 (83%)0.88 [0.78–0.93]0.17 [0.08–0.35]
Any consolidation in the apical regions42/101 (42%)31/56 (55%)33/72 (46%)9/29 (31%)0.46 [0.35–0.57]0.69 [0.51–0.83]
Any consolidations <1 cm in the apical regions35/101 (35%)24/56 (43%)26/72 (36%)9/29 (31%)0.36 [0.26–0.48]0.69 [0.51–0.83]
Any consolidations ≥1 cm in the apical regions15/101 (15%)13/56 (23%)14/72 (19%)1/29 (3%)0.19 [0.12–0.3]0.97 [0.83–1]
Other LUS findings
Miliary pattern present2/101 (2%)1/56 (2%)1/72 (1%)1/29 (3%)0.01 [0–0.07]0.97 [0.83–1]
B-lines (>2) in at least 1 lung zone81/101 (80%)47/56 (84%)57/72 (79%)24/29 (83%)0.79 [0.68–0.87]0.17 [0.08–0.35]
LUS findings in at least … lung zones
SPC < 1cm in at least 1 lung zone84/101 (83%)51/56 (91%)60/72 (83%)24/29 (83%)0.83 [0.73–0.9]0.17 [0.08–0.35]
≥2 lung zones72/101 (71%)46/56 (82%)54/72 (75%)18/29 (62%)0.75 [0.64–0.84]0.38 [0.23–0.56]
≥3 lung zones61/101 (60%)39/56 (70%)44/72 (61%)17/29 (59%)0.61 [0.5–0.72]0.41 [0.26–0.59]
≥4 lung zones52/101 (51%)34/56 (61%)37/72 (51%)15/29 (52%)0.51 [0.4–0.63]0.48 [0.31–0.66]
≥5 lung zones39/101 (39%)29/56 (52%)30/72 (42%)9/29 (31%)0.42 [0.31–0.53]0.69 [0.51–0.83]
≥6 lung zones22/101 (22%)14/56 (25%)14/72 (19%)8/29 (28%)0.19 [0.12–0.3]0.72 [0.54–0.85]
≥7 lung zones14/101 (14%)9/56 (16%)9/72 (12%)5/29 (17%)0.12 [0.07–0.22]0.83 [0.65–0.92]
SPC ≥ 1cm in at least 1 lung zone54/101 (53%)39/56 (70%)41/72 (57%)13/29 (45%)0.57 [0.45–0.68]0.55 [0.38–0.72]
≥2 lung zones29/101 (29%)25/56 (45%)25/72 (35%)4/29 (14%)0.35 [0.25–0.46]0.86 [0.69–0.95]
≥3 lung zones20/101 (20%)18/56 (32%)18/72 (25%)2/29 (7%)0.25 [0.16–0.36]0.93 [0.78–0.98]
≥4 lung zones12/101 (12%)11/56 (20%)11/72 (15%)1/29 (3%)0.15 [0.09–0.25]0.97 [0.83–1]
B-lines in at least 1 lung zone81/101 (80%)47/56 (84%)57/72 (79%)24/29 (83%)0.79 [0.68–0.87]0.17 [0.08–0.35]
≥2 lung zones57/101 (56%)35/56 (62%)39/72 (54%)18/29 (62%)0.54 [0.43–0.65]0.38 [0.23–0.56]
≥3 lung zones43/101 (43%)28/56 (50%)31/72 (43%)12/29 (41%)0.43 [0.32–0.55]0.59 [0.41–0.74]
≥4 lung zones29/101 (29%)20/56 (36%)20/72 (28%)9/29 (31%)0.28 [0.19–0.39]0.69 [0.51–0.83]
≥5 lung zones19/101 (19%)15/56 (27%)15/72 (21%)4/29 (14%)0.21 [0.13–0.32]0.86 [0.6–0.95]
≥6 lung zones13/101 (13%)9/56 (16%)9/72 (12%)4/29 (14%)0.12 [0.07–0.22]0.86 [0.69–0.95]
Combinations of FASH and LUS
FASH or SPC ≥ 1 cm69/101 (68%)45/56 (80%)51/72 (71%)18/29 (62%)0.71 [0.59–0.8]0.38 [0.23–0.56]
FASH or SPC ≥ 5 mm84/101 (83%)52/56 (93%)61/72 (85%)23/29 (79%)0.85 [0.75–0.91]0.21 [0.1–0.38]
Other targets
IMNs ≥0.5 cm present18/101 (18%)12/56 (21%)15/72 (21%)3/29 (10%)0.21 [0.13–0.32]0.9 [0.74–0.96]
Pleural laminar thickening14/101 (14%)10/56 (18%)10/72 (14%)4/29 (14%)
Intestinal thickening in the right lower quadrant >4 mm1/98 (1%)0/55 (0%)0/70 (0%)1/28 (4%)0 [0–0.05]0.96 [0–82;1]
Any peritoneal thickening (parietal, visceral, omental)2/101 (2%)1/56 (2%)2/72 (3%)0/29 (0%)0.03 [0.01–0.1]1 [0.88–1]
Mediastinal lymph nodes seen from suprasternal viewb1/85 (1%)1/44 (2%)1/56 (2%)0/29 (0%)
Peripheral lymph nodes present (only if clinical suspicion)12/99 (12%)4/55 (7%)11/70 (16%)1/29 (3%)0.16 [0.09–0.26]0.97 [0.83–1]

Denominators provided for all individuals with available data for each line.

Abbreviations: 95% CI, 95% confidence interval; CRS, composite reference standard; eMRS, extended MRS; EPTB, extrapulmonary tuberculosis; FASH, focused assessment with sonography for HIV-associated tuberculosis; IQR, interquartile range; IMN, internal mammary lymph node; LUS, lung ultrasound; MRS, microbiological reference standard; SPC, subpleural consolidation; TB, tuberculosis.

aIn n = 31 cases of EPTB, FASHoriginal had a sensitivity of 12/31 (39%).

bParasternal only negative.

Table 4.

Abdominal and Lung Ultrasound Findings and Variations

Variables in N, Median, IQR, (%)All Participants (n = 102)PTB Cases
(MRS Positive)
(n = 57)
TB Cases
(CRS Positive) (n = 73)
Unlikely TB (n = 29)Sensitivity (95% CI)Specificity (95% CI)
FASH
FASHoriginala42/101 (42%)25/56 (45%)29/72 (40%)13/29 (45%)0.4 [0.3–0.52]0.55 [0.38–0.72]
FASHascites44/101 (44%)27/56 (48%)31/72 (43%)13/29 (45%)0.43 [0.32–0.55]0.55 [0.38–0.72]
FASHpericardium44/101 (44%)26/56 (46%)31/72 (43%)13/29 (45%)0.43 [0.32–0.55]0.55 [0.38–0.72]
FASHpleura600ml22/101 (22%)13/56 (23%)16/72 (22%)6/29 (21%)0.22 [0.14–0.33]0.79 [0.62–0.9]
Pleural effusion present, any32/101 (32%)19/56 (34%)21/72 (29%)11/29 (38%)0.29 [0.2–0.41]0.62 [0.44–0.77]
Pleural effusion estimated volume346 [247–542] (N = 32)350 [250–596] (N = 19)350 [252–595] (N = 21)308 [149–430] (N = 11)
Pericardial effusion ≥10 mm5/101 (5%)2/56 (4%)3/72 (4%)2/29 (7%)0.04 [0.01–0.12]0.93 [0.78–0.98]
Hypoechoic spleen lesions <1.5 cm present4/101 (4%)1/56 (2%)1/72 (1%)3/29 (10%)0.01 [0–0.07]0.9 [0.74–0.96]
Hyperechoic spleen lesions present with or without calcification4/101 (4%)3/56 (5%)3/72 (4%)1/29 (3%)
Hypoechoic liver lesions2/101 (2%)0/56 (0%)0/72 (0%)2/29 (7%)0 [0–0.05]0.93 [0.78–0.98]
Abdominal lymph nodes ≥1.5 cm present9/101 (9%)6/56 (11%)8/72 (11%)1/29 (3%)0.11 [0.06–0.2]0.97 [0.83–1]
Ascites present6/101 (6%)3/56 (5%)4/72 (6%)2/29 (7%)0.06 [0.02–0.13]0.93 [0.78–0.98]
Lung ultrasound
consolidations
Subpleural consolidations (SPC) < 1 cm present84/101 (83%)51/56 (91%)60/72 (83%)24/29 (83%)0.83 [0.73–0.9]0.17 [0.08–0.35]
Number of subpleural consolidations <1 cmsingle: 6/84 (7)
2–5: 35/84 (42)
> 5: 43/84 (51)
single: 2/56 (4)
2–5: 18/56 (32)
> 5: 31/56 (55)
single: 3/60 (5)
2–5: 24 24/60 (40)
> 5: 33/60 (55)
single: 3/24 (13)
2–5: 11/24 (46)
> 5: 10/24 (42)
>5 SPCs <1 cm with at least one ≥5 mm36/101 (36%)27/56 (48%)28/72 (39%)8/29 (28%)0.39 [0.29–0.51]0.72 [0.54–0.85]
Subpleural consolidations ≥1 cm present54/101 (53%)39/56 (70%)41/72 (57%)13/29 (45%)0.57 [0.45–0.68]0.55 [0.38–0.72]
Any subpleural consolidation present, regardless of size?87/101 (86%)53/56 (95%)63/72 (88%)24/29 (83%)0.88 [0.78–0.93]0.17 [0.08–0.35]
Any consolidation in the apical regions42/101 (42%)31/56 (55%)33/72 (46%)9/29 (31%)0.46 [0.35–0.57]0.69 [0.51–0.83]
Any consolidations <1 cm in the apical regions35/101 (35%)24/56 (43%)26/72 (36%)9/29 (31%)0.36 [0.26–0.48]0.69 [0.51–0.83]
Any consolidations ≥1 cm in the apical regions15/101 (15%)13/56 (23%)14/72 (19%)1/29 (3%)0.19 [0.12–0.3]0.97 [0.83–1]
Other LUS findings
Miliary pattern present2/101 (2%)1/56 (2%)1/72 (1%)1/29 (3%)0.01 [0–0.07]0.97 [0.83–1]
B-lines (>2) in at least 1 lung zone81/101 (80%)47/56 (84%)57/72 (79%)24/29 (83%)0.79 [0.68–0.87]0.17 [0.08–0.35]
LUS findings in at least … lung zones
SPC < 1cm in at least 1 lung zone84/101 (83%)51/56 (91%)60/72 (83%)24/29 (83%)0.83 [0.73–0.9]0.17 [0.08–0.35]
≥2 lung zones72/101 (71%)46/56 (82%)54/72 (75%)18/29 (62%)0.75 [0.64–0.84]0.38 [0.23–0.56]
≥3 lung zones61/101 (60%)39/56 (70%)44/72 (61%)17/29 (59%)0.61 [0.5–0.72]0.41 [0.26–0.59]
≥4 lung zones52/101 (51%)34/56 (61%)37/72 (51%)15/29 (52%)0.51 [0.4–0.63]0.48 [0.31–0.66]
≥5 lung zones39/101 (39%)29/56 (52%)30/72 (42%)9/29 (31%)0.42 [0.31–0.53]0.69 [0.51–0.83]
≥6 lung zones22/101 (22%)14/56 (25%)14/72 (19%)8/29 (28%)0.19 [0.12–0.3]0.72 [0.54–0.85]
≥7 lung zones14/101 (14%)9/56 (16%)9/72 (12%)5/29 (17%)0.12 [0.07–0.22]0.83 [0.65–0.92]
SPC ≥ 1cm in at least 1 lung zone54/101 (53%)39/56 (70%)41/72 (57%)13/29 (45%)0.57 [0.45–0.68]0.55 [0.38–0.72]
≥2 lung zones29/101 (29%)25/56 (45%)25/72 (35%)4/29 (14%)0.35 [0.25–0.46]0.86 [0.69–0.95]
≥3 lung zones20/101 (20%)18/56 (32%)18/72 (25%)2/29 (7%)0.25 [0.16–0.36]0.93 [0.78–0.98]
≥4 lung zones12/101 (12%)11/56 (20%)11/72 (15%)1/29 (3%)0.15 [0.09–0.25]0.97 [0.83–1]
B-lines in at least 1 lung zone81/101 (80%)47/56 (84%)57/72 (79%)24/29 (83%)0.79 [0.68–0.87]0.17 [0.08–0.35]
≥2 lung zones57/101 (56%)35/56 (62%)39/72 (54%)18/29 (62%)0.54 [0.43–0.65]0.38 [0.23–0.56]
≥3 lung zones43/101 (43%)28/56 (50%)31/72 (43%)12/29 (41%)0.43 [0.32–0.55]0.59 [0.41–0.74]
≥4 lung zones29/101 (29%)20/56 (36%)20/72 (28%)9/29 (31%)0.28 [0.19–0.39]0.69 [0.51–0.83]
≥5 lung zones19/101 (19%)15/56 (27%)15/72 (21%)4/29 (14%)0.21 [0.13–0.32]0.86 [0.6–0.95]
≥6 lung zones13/101 (13%)9/56 (16%)9/72 (12%)4/29 (14%)0.12 [0.07–0.22]0.86 [0.69–0.95]
Combinations of FASH and LUS
FASH or SPC ≥ 1 cm69/101 (68%)45/56 (80%)51/72 (71%)18/29 (62%)0.71 [0.59–0.8]0.38 [0.23–0.56]
FASH or SPC ≥ 5 mm84/101 (83%)52/56 (93%)61/72 (85%)23/29 (79%)0.85 [0.75–0.91]0.21 [0.1–0.38]
Other targets
IMNs ≥0.5 cm present18/101 (18%)12/56 (21%)15/72 (21%)3/29 (10%)0.21 [0.13–0.32]0.9 [0.74–0.96]
Pleural laminar thickening14/101 (14%)10/56 (18%)10/72 (14%)4/29 (14%)
Intestinal thickening in the right lower quadrant >4 mm1/98 (1%)0/55 (0%)0/70 (0%)1/28 (4%)0 [0–0.05]0.96 [0–82;1]
Any peritoneal thickening (parietal, visceral, omental)2/101 (2%)1/56 (2%)2/72 (3%)0/29 (0%)0.03 [0.01–0.1]1 [0.88–1]
Mediastinal lymph nodes seen from suprasternal viewb1/85 (1%)1/44 (2%)1/56 (2%)0/29 (0%)
Peripheral lymph nodes present (only if clinical suspicion)12/99 (12%)4/55 (7%)11/70 (16%)1/29 (3%)0.16 [0.09–0.26]0.97 [0.83–1]
Variables in N, Median, IQR, (%)All Participants (n = 102)PTB Cases
(MRS Positive)
(n = 57)
TB Cases
(CRS Positive) (n = 73)
Unlikely TB (n = 29)Sensitivity (95% CI)Specificity (95% CI)
FASH
FASHoriginala42/101 (42%)25/56 (45%)29/72 (40%)13/29 (45%)0.4 [0.3–0.52]0.55 [0.38–0.72]
FASHascites44/101 (44%)27/56 (48%)31/72 (43%)13/29 (45%)0.43 [0.32–0.55]0.55 [0.38–0.72]
FASHpericardium44/101 (44%)26/56 (46%)31/72 (43%)13/29 (45%)0.43 [0.32–0.55]0.55 [0.38–0.72]
FASHpleura600ml22/101 (22%)13/56 (23%)16/72 (22%)6/29 (21%)0.22 [0.14–0.33]0.79 [0.62–0.9]
Pleural effusion present, any32/101 (32%)19/56 (34%)21/72 (29%)11/29 (38%)0.29 [0.2–0.41]0.62 [0.44–0.77]
Pleural effusion estimated volume346 [247–542] (N = 32)350 [250–596] (N = 19)350 [252–595] (N = 21)308 [149–430] (N = 11)
Pericardial effusion ≥10 mm5/101 (5%)2/56 (4%)3/72 (4%)2/29 (7%)0.04 [0.01–0.12]0.93 [0.78–0.98]
Hypoechoic spleen lesions <1.5 cm present4/101 (4%)1/56 (2%)1/72 (1%)3/29 (10%)0.01 [0–0.07]0.9 [0.74–0.96]
Hyperechoic spleen lesions present with or without calcification4/101 (4%)3/56 (5%)3/72 (4%)1/29 (3%)
Hypoechoic liver lesions2/101 (2%)0/56 (0%)0/72 (0%)2/29 (7%)0 [0–0.05]0.93 [0.78–0.98]
Abdominal lymph nodes ≥1.5 cm present9/101 (9%)6/56 (11%)8/72 (11%)1/29 (3%)0.11 [0.06–0.2]0.97 [0.83–1]
Ascites present6/101 (6%)3/56 (5%)4/72 (6%)2/29 (7%)0.06 [0.02–0.13]0.93 [0.78–0.98]
Lung ultrasound
consolidations
Subpleural consolidations (SPC) < 1 cm present84/101 (83%)51/56 (91%)60/72 (83%)24/29 (83%)0.83 [0.73–0.9]0.17 [0.08–0.35]
Number of subpleural consolidations <1 cmsingle: 6/84 (7)
2–5: 35/84 (42)
> 5: 43/84 (51)
single: 2/56 (4)
2–5: 18/56 (32)
> 5: 31/56 (55)
single: 3/60 (5)
2–5: 24 24/60 (40)
> 5: 33/60 (55)
single: 3/24 (13)
2–5: 11/24 (46)
> 5: 10/24 (42)
>5 SPCs <1 cm with at least one ≥5 mm36/101 (36%)27/56 (48%)28/72 (39%)8/29 (28%)0.39 [0.29–0.51]0.72 [0.54–0.85]
Subpleural consolidations ≥1 cm present54/101 (53%)39/56 (70%)41/72 (57%)13/29 (45%)0.57 [0.45–0.68]0.55 [0.38–0.72]
Any subpleural consolidation present, regardless of size?87/101 (86%)53/56 (95%)63/72 (88%)24/29 (83%)0.88 [0.78–0.93]0.17 [0.08–0.35]
Any consolidation in the apical regions42/101 (42%)31/56 (55%)33/72 (46%)9/29 (31%)0.46 [0.35–0.57]0.69 [0.51–0.83]
Any consolidations <1 cm in the apical regions35/101 (35%)24/56 (43%)26/72 (36%)9/29 (31%)0.36 [0.26–0.48]0.69 [0.51–0.83]
Any consolidations ≥1 cm in the apical regions15/101 (15%)13/56 (23%)14/72 (19%)1/29 (3%)0.19 [0.12–0.3]0.97 [0.83–1]
Other LUS findings
Miliary pattern present2/101 (2%)1/56 (2%)1/72 (1%)1/29 (3%)0.01 [0–0.07]0.97 [0.83–1]
B-lines (>2) in at least 1 lung zone81/101 (80%)47/56 (84%)57/72 (79%)24/29 (83%)0.79 [0.68–0.87]0.17 [0.08–0.35]
LUS findings in at least … lung zones
SPC < 1cm in at least 1 lung zone84/101 (83%)51/56 (91%)60/72 (83%)24/29 (83%)0.83 [0.73–0.9]0.17 [0.08–0.35]
≥2 lung zones72/101 (71%)46/56 (82%)54/72 (75%)18/29 (62%)0.75 [0.64–0.84]0.38 [0.23–0.56]
≥3 lung zones61/101 (60%)39/56 (70%)44/72 (61%)17/29 (59%)0.61 [0.5–0.72]0.41 [0.26–0.59]
≥4 lung zones52/101 (51%)34/56 (61%)37/72 (51%)15/29 (52%)0.51 [0.4–0.63]0.48 [0.31–0.66]
≥5 lung zones39/101 (39%)29/56 (52%)30/72 (42%)9/29 (31%)0.42 [0.31–0.53]0.69 [0.51–0.83]
≥6 lung zones22/101 (22%)14/56 (25%)14/72 (19%)8/29 (28%)0.19 [0.12–0.3]0.72 [0.54–0.85]
≥7 lung zones14/101 (14%)9/56 (16%)9/72 (12%)5/29 (17%)0.12 [0.07–0.22]0.83 [0.65–0.92]
SPC ≥ 1cm in at least 1 lung zone54/101 (53%)39/56 (70%)41/72 (57%)13/29 (45%)0.57 [0.45–0.68]0.55 [0.38–0.72]
≥2 lung zones29/101 (29%)25/56 (45%)25/72 (35%)4/29 (14%)0.35 [0.25–0.46]0.86 [0.69–0.95]
≥3 lung zones20/101 (20%)18/56 (32%)18/72 (25%)2/29 (7%)0.25 [0.16–0.36]0.93 [0.78–0.98]
≥4 lung zones12/101 (12%)11/56 (20%)11/72 (15%)1/29 (3%)0.15 [0.09–0.25]0.97 [0.83–1]
B-lines in at least 1 lung zone81/101 (80%)47/56 (84%)57/72 (79%)24/29 (83%)0.79 [0.68–0.87]0.17 [0.08–0.35]
≥2 lung zones57/101 (56%)35/56 (62%)39/72 (54%)18/29 (62%)0.54 [0.43–0.65]0.38 [0.23–0.56]
≥3 lung zones43/101 (43%)28/56 (50%)31/72 (43%)12/29 (41%)0.43 [0.32–0.55]0.59 [0.41–0.74]
≥4 lung zones29/101 (29%)20/56 (36%)20/72 (28%)9/29 (31%)0.28 [0.19–0.39]0.69 [0.51–0.83]
≥5 lung zones19/101 (19%)15/56 (27%)15/72 (21%)4/29 (14%)0.21 [0.13–0.32]0.86 [0.6–0.95]
≥6 lung zones13/101 (13%)9/56 (16%)9/72 (12%)4/29 (14%)0.12 [0.07–0.22]0.86 [0.69–0.95]
Combinations of FASH and LUS
FASH or SPC ≥ 1 cm69/101 (68%)45/56 (80%)51/72 (71%)18/29 (62%)0.71 [0.59–0.8]0.38 [0.23–0.56]
FASH or SPC ≥ 5 mm84/101 (83%)52/56 (93%)61/72 (85%)23/29 (79%)0.85 [0.75–0.91]0.21 [0.1–0.38]
Other targets
IMNs ≥0.5 cm present18/101 (18%)12/56 (21%)15/72 (21%)3/29 (10%)0.21 [0.13–0.32]0.9 [0.74–0.96]
Pleural laminar thickening14/101 (14%)10/56 (18%)10/72 (14%)4/29 (14%)
Intestinal thickening in the right lower quadrant >4 mm1/98 (1%)0/55 (0%)0/70 (0%)1/28 (4%)0 [0–0.05]0.96 [0–82;1]
Any peritoneal thickening (parietal, visceral, omental)2/101 (2%)1/56 (2%)2/72 (3%)0/29 (0%)0.03 [0.01–0.1]1 [0.88–1]
Mediastinal lymph nodes seen from suprasternal viewb1/85 (1%)1/44 (2%)1/56 (2%)0/29 (0%)
Peripheral lymph nodes present (only if clinical suspicion)12/99 (12%)4/55 (7%)11/70 (16%)1/29 (3%)0.16 [0.09–0.26]0.97 [0.83–1]

Denominators provided for all individuals with available data for each line.

Abbreviations: 95% CI, 95% confidence interval; CRS, composite reference standard; eMRS, extended MRS; EPTB, extrapulmonary tuberculosis; FASH, focused assessment with sonography for HIV-associated tuberculosis; IQR, interquartile range; IMN, internal mammary lymph node; LUS, lung ultrasound; MRS, microbiological reference standard; SPC, subpleural consolidation; TB, tuberculosis.

aIn n = 31 cases of EPTB, FASHoriginal had a sensitivity of 12/31 (39%).

bParasternal only negative.

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