Table 1
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Tricuspid measurements in healthy subjects and FTR patients

Healthy subjects (n = 210)
FTR patients (n = 280)
Men (n = 97)Women (n = 113)P-valueMen (n = 109)Women (n = 171)P-value
Non-indexed
 TA area at MS (cm2)8.6 (7.5–9.7)6.8 (6.1–7.4)0.000110.6 (8.6–13.4)10.2 (7.7–11.8)0.03
 TA area at ED (cm2)9.7 (8.6–10.8)7.8 (6.9–8.8)0.000113 (11–17)12 (10–15)0.009
 TA perimeter at MS (cm)10.5 (9.9–11.2)9.4 (8.9–9.9)0.000111.7 (10.5–13.2)11.4 (9.9–12.3)0.02
 TA perimeter at ED (cm)11.2 (10.4–11.8)10.1 (9.5–10.6)0.000112.9 (11.7–14.5)12.4 (11.3–13.7)0.007
 TA circularity at MS0.87 (0.83–0.93)0.85 (0.79–0.91)0.070.90 (0.83–0.93)0.90 (0.84–0.94)0.33
 TA circularity at ED0.86 (0.79–0.91)0.82 (0.74–0.90)0.070.88 (0.83–0.92)0.88 (0.84–0.93)0.66
 Tenting volume (mL)3.2 (2.5–3.9)2.6 (2.0–2.9)0.00014.0 (2.5–5.9)3.9 (2.6–5.9)0.90
 Total leaflet area (cm2)10.1 (8.9–11.1)8.3 (7.4–9.4)0.000112.3 (9.8–15.8)12.1 (9.2–14.9)0.21
Indexed (to BSA)
 TA area at MS (cm2/m2)4.6 (4.0–4.9)4.1 (3.8–4.4)0.00015.6 (4.7–7.1)6.0 (4.6–7.1)0.63
 TA area at ED (cm2/m2)5.1 (4.6–5.6)4.7 (4.3–5.2)0.0047.1 (6.0–8.5)7.3 (5.9–8.9)0.60
 TA perimeter at MS (cm/m2)5.6 (5.2–5.9)5.7 (5.4–6.0)0.0376.3 (5.8–6.9)6.8 (6.0–7.5)0.24
 TA perimeter at ED (cm/m2)5.9 (5.5–6.2)6.1 (5.7–6.4)0.0056.9 (6.4–7.7)7.5 (6.7–8.4)0.70
 Total leaflet area (cm2/m2)5.4 (4.9–5.9)5.1 (4.6–5.6)0.096.5 (5.5–8.1)7.1 (5.5–9.2)0.22
Healthy subjects (n = 210)
FTR patients (n = 280)
Men (n = 97)Women (n = 113)P-valueMen (n = 109)Women (n = 171)P-value
Non-indexed
 TA area at MS (cm2)8.6 (7.5–9.7)6.8 (6.1–7.4)0.000110.6 (8.6–13.4)10.2 (7.7–11.8)0.03
 TA area at ED (cm2)9.7 (8.6–10.8)7.8 (6.9–8.8)0.000113 (11–17)12 (10–15)0.009
 TA perimeter at MS (cm)10.5 (9.9–11.2)9.4 (8.9–9.9)0.000111.7 (10.5–13.2)11.4 (9.9–12.3)0.02
 TA perimeter at ED (cm)11.2 (10.4–11.8)10.1 (9.5–10.6)0.000112.9 (11.7–14.5)12.4 (11.3–13.7)0.007
 TA circularity at MS0.87 (0.83–0.93)0.85 (0.79–0.91)0.070.90 (0.83–0.93)0.90 (0.84–0.94)0.33
 TA circularity at ED0.86 (0.79–0.91)0.82 (0.74–0.90)0.070.88 (0.83–0.92)0.88 (0.84–0.93)0.66
 Tenting volume (mL)3.2 (2.5–3.9)2.6 (2.0–2.9)0.00014.0 (2.5–5.9)3.9 (2.6–5.9)0.90
 Total leaflet area (cm2)10.1 (8.9–11.1)8.3 (7.4–9.4)0.000112.3 (9.8–15.8)12.1 (9.2–14.9)0.21
Indexed (to BSA)
 TA area at MS (cm2/m2)4.6 (4.0–4.9)4.1 (3.8–4.4)0.00015.6 (4.7–7.1)6.0 (4.6–7.1)0.63
 TA area at ED (cm2/m2)5.1 (4.6–5.6)4.7 (4.3–5.2)0.0047.1 (6.0–8.5)7.3 (5.9–8.9)0.60
 TA perimeter at MS (cm/m2)5.6 (5.2–5.9)5.7 (5.4–6.0)0.0376.3 (5.8–6.9)6.8 (6.0–7.5)0.24
 TA perimeter at ED (cm/m2)5.9 (5.5–6.2)6.1 (5.7–6.4)0.0056.9 (6.4–7.7)7.5 (6.7–8.4)0.70
 Total leaflet area (cm2/m2)5.4 (4.9–5.9)5.1 (4.6–5.6)0.096.5 (5.5–8.1)7.1 (5.5–9.2)0.22

Values are median (I–III quartiles).

BSA, body surface area; ED, end-diastole; MS, mid-systole; TA, tricuspid annulus.

Table 1
Open in new tab

Tricuspid measurements in healthy subjects and FTR patients

Healthy subjects (n = 210)
FTR patients (n = 280)
Men (n = 97)Women (n = 113)P-valueMen (n = 109)Women (n = 171)P-value
Non-indexed
 TA area at MS (cm2)8.6 (7.5–9.7)6.8 (6.1–7.4)0.000110.6 (8.6–13.4)10.2 (7.7–11.8)0.03
 TA area at ED (cm2)9.7 (8.6–10.8)7.8 (6.9–8.8)0.000113 (11–17)12 (10–15)0.009
 TA perimeter at MS (cm)10.5 (9.9–11.2)9.4 (8.9–9.9)0.000111.7 (10.5–13.2)11.4 (9.9–12.3)0.02
 TA perimeter at ED (cm)11.2 (10.4–11.8)10.1 (9.5–10.6)0.000112.9 (11.7–14.5)12.4 (11.3–13.7)0.007
 TA circularity at MS0.87 (0.83–0.93)0.85 (0.79–0.91)0.070.90 (0.83–0.93)0.90 (0.84–0.94)0.33
 TA circularity at ED0.86 (0.79–0.91)0.82 (0.74–0.90)0.070.88 (0.83–0.92)0.88 (0.84–0.93)0.66
 Tenting volume (mL)3.2 (2.5–3.9)2.6 (2.0–2.9)0.00014.0 (2.5–5.9)3.9 (2.6–5.9)0.90
 Total leaflet area (cm2)10.1 (8.9–11.1)8.3 (7.4–9.4)0.000112.3 (9.8–15.8)12.1 (9.2–14.9)0.21
Indexed (to BSA)
 TA area at MS (cm2/m2)4.6 (4.0–4.9)4.1 (3.8–4.4)0.00015.6 (4.7–7.1)6.0 (4.6–7.1)0.63
 TA area at ED (cm2/m2)5.1 (4.6–5.6)4.7 (4.3–5.2)0.0047.1 (6.0–8.5)7.3 (5.9–8.9)0.60
 TA perimeter at MS (cm/m2)5.6 (5.2–5.9)5.7 (5.4–6.0)0.0376.3 (5.8–6.9)6.8 (6.0–7.5)0.24
 TA perimeter at ED (cm/m2)5.9 (5.5–6.2)6.1 (5.7–6.4)0.0056.9 (6.4–7.7)7.5 (6.7–8.4)0.70
 Total leaflet area (cm2/m2)5.4 (4.9–5.9)5.1 (4.6–5.6)0.096.5 (5.5–8.1)7.1 (5.5–9.2)0.22
Healthy subjects (n = 210)
FTR patients (n = 280)
Men (n = 97)Women (n = 113)P-valueMen (n = 109)Women (n = 171)P-value
Non-indexed
 TA area at MS (cm2)8.6 (7.5–9.7)6.8 (6.1–7.4)0.000110.6 (8.6–13.4)10.2 (7.7–11.8)0.03
 TA area at ED (cm2)9.7 (8.6–10.8)7.8 (6.9–8.8)0.000113 (11–17)12 (10–15)0.009
 TA perimeter at MS (cm)10.5 (9.9–11.2)9.4 (8.9–9.9)0.000111.7 (10.5–13.2)11.4 (9.9–12.3)0.02
 TA perimeter at ED (cm)11.2 (10.4–11.8)10.1 (9.5–10.6)0.000112.9 (11.7–14.5)12.4 (11.3–13.7)0.007
 TA circularity at MS0.87 (0.83–0.93)0.85 (0.79–0.91)0.070.90 (0.83–0.93)0.90 (0.84–0.94)0.33
 TA circularity at ED0.86 (0.79–0.91)0.82 (0.74–0.90)0.070.88 (0.83–0.92)0.88 (0.84–0.93)0.66
 Tenting volume (mL)3.2 (2.5–3.9)2.6 (2.0–2.9)0.00014.0 (2.5–5.9)3.9 (2.6–5.9)0.90
 Total leaflet area (cm2)10.1 (8.9–11.1)8.3 (7.4–9.4)0.000112.3 (9.8–15.8)12.1 (9.2–14.9)0.21
Indexed (to BSA)
 TA area at MS (cm2/m2)4.6 (4.0–4.9)4.1 (3.8–4.4)0.00015.6 (4.7–7.1)6.0 (4.6–7.1)0.63
 TA area at ED (cm2/m2)5.1 (4.6–5.6)4.7 (4.3–5.2)0.0047.1 (6.0–8.5)7.3 (5.9–8.9)0.60
 TA perimeter at MS (cm/m2)5.6 (5.2–5.9)5.7 (5.4–6.0)0.0376.3 (5.8–6.9)6.8 (6.0–7.5)0.24
 TA perimeter at ED (cm/m2)5.9 (5.5–6.2)6.1 (5.7–6.4)0.0056.9 (6.4–7.7)7.5 (6.7–8.4)0.70
 Total leaflet area (cm2/m2)5.4 (4.9–5.9)5.1 (4.6–5.6)0.096.5 (5.5–8.1)7.1 (5.5–9.2)0.22

Values are median (I–III quartiles).

BSA, body surface area; ED, end-diastole; MS, mid-systole; TA, tricuspid annulus.

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