Table 1

Baseline characteristics of SPUM-ACS Biomarker Study participants

CTRLCCS patientsACS patientsP-valuesLOX-1 Tertile 1sLOX-1 Tertile 2sLOX-1 Tertile 3P-value
≤21.33 pg/mL>21.33–56.94 pg/mL>56.94 pg/mL
(n = 120)(n = 69)(n = 2639)Groups(n = 880)(n = 879)(n = 880)Tertiles
Age (years)63.7 ± 0.7265.7 ± 1.263.7 ± 0.20.19564.1 ± 0.464.2 ± 0.462.8 ± 0.40.032
Female sex24 (20.0)7 (10.1)525 (19.9)0.132171 (19.4)186 (21.2)168 (19.1)0.507
ACS type
 STEMI1385 (53.7)407 (47.9)486 (56.1)492 (57.0)<0.001
 NSTE-ACS1194 (46.3)442 (52.1)381 (43.9)371 (43.0)
 Pre-hospital delay (min)165 (91–343)165 (95 - 344)165 (95 - 330)155 (90 - 360)0.816
 Hx of hyperlipidaemia54 (78.3)1686 (63.9)0.014566 (64.3)573 (65.2)547 (62.2)0.396
 Hx of diabetes28 (40.6)453 (17.2)<0.001161 (18.3)158 (18.0)134 (15.2)0.172
 Hx of hypertension56 (84.8)1438 (54.5)<0.001498 (56.7)478 (54.4)462 (52.5)0.216
 Hx of systemic inflammatory disease0 (0.0)72 (2.7)0.26328 (3.2)28 (3.2)16 (1.8)0.127
 Current smoker22 (31.9)956 (36.7)0.414318 (36.4)318 (36.6)320 (37.0)0.960
 Systolic blood pressure (mmHg)139.4 ± 3.0128.3 ± 0.5<0.001128.7 ± 0.8128.6 ± 0.8127.6 ± 0.80.589
 LVEF (%)53 (43–62)50 (45–60)0.50755 (45–60)52 (45–60)50 (45–60)0.016
 hs-CRP (mg/L)a2.4 (1.1–6.7)2.6 (1.1–6.7)0.7252.5 (1.1–6.0)2.5 (1.1–6.5)2.7 (1.1–8.1)0.370
 sLOX-1 (pg/mL)2.0 (2.0–6.9)2.0 (2.0–13.0)35.1 (15.8–73.4)<0.00110.2 (5.2–10.8)35.1 (27.8–44.0)106.4 (73.4–102.5)<0.001
 LDL-C (mmol/L)2.5 (2.0–3.3)3.1 (2.4–3.8)0.0402.9 (2.3–3.6)3.2 (2.5–3.9)3.1 (2.4–3.9)<0.001
 hs-TnT (ng/L)b34 (14–117)182 (55–572)<0.001144 (43–470)172 (62–551)243 (64–745)<0.001
 NT-proBNP (ng/L)c623 (129–1378)290 (89–1067)0.230274 (87–997)295 (95–1050)303 (85–1195)0.553
 eGFR (mL/min/1.73 m2)82 (57–92)88 (72–99)0.00188 (73–99)87 (71–99)88 (71–99)0.771
Baseline medication
 Aspirin57 (86.4)687 (41.5)<0.001270 (45.3)214 (38.6)203 (40.0)0.053
 P2Y12 inhibitor7 (10.6)161 (9.7)0.81161 (10.2)50 (9.0)50 (9.9)0.780
 Beta-blocker35 (53.0)543 (33.0)0.001205 (34.6)179 (32.6)159 (31.5)0.554
 ACE inhibitor/ARB46 (70.8)885 (53.8)0.007337 (56.8)290 (52.8)258 (51.4)0.168
 Vitamin K antagonist/DOAC11 (16.7)115 (6.9)0.00343 (7.2)38 (6.9)34 (6.7)0.943
 Statin60 (90.9)645 (39.0)<0.001257 (43.2)207 (37.5)181 (35.8)0.028
Index intervention
 PCI2327 (93.0)749 (91.8)789 (93.2)789 (94.0)0.195
 CABG69 (100)20 (0.8)<0.0018 (1.0)7 (0.8)5 (0.6)0.676
CTRLCCS patientsACS patientsP-valuesLOX-1 Tertile 1sLOX-1 Tertile 2sLOX-1 Tertile 3P-value
≤21.33 pg/mL>21.33–56.94 pg/mL>56.94 pg/mL
(n = 120)(n = 69)(n = 2639)Groups(n = 880)(n = 879)(n = 880)Tertiles
Age (years)63.7 ± 0.7265.7 ± 1.263.7 ± 0.20.19564.1 ± 0.464.2 ± 0.462.8 ± 0.40.032
Female sex24 (20.0)7 (10.1)525 (19.9)0.132171 (19.4)186 (21.2)168 (19.1)0.507
ACS type
 STEMI1385 (53.7)407 (47.9)486 (56.1)492 (57.0)<0.001
 NSTE-ACS1194 (46.3)442 (52.1)381 (43.9)371 (43.0)
 Pre-hospital delay (min)165 (91–343)165 (95 - 344)165 (95 - 330)155 (90 - 360)0.816
 Hx of hyperlipidaemia54 (78.3)1686 (63.9)0.014566 (64.3)573 (65.2)547 (62.2)0.396
 Hx of diabetes28 (40.6)453 (17.2)<0.001161 (18.3)158 (18.0)134 (15.2)0.172
 Hx of hypertension56 (84.8)1438 (54.5)<0.001498 (56.7)478 (54.4)462 (52.5)0.216
 Hx of systemic inflammatory disease0 (0.0)72 (2.7)0.26328 (3.2)28 (3.2)16 (1.8)0.127
 Current smoker22 (31.9)956 (36.7)0.414318 (36.4)318 (36.6)320 (37.0)0.960
 Systolic blood pressure (mmHg)139.4 ± 3.0128.3 ± 0.5<0.001128.7 ± 0.8128.6 ± 0.8127.6 ± 0.80.589
 LVEF (%)53 (43–62)50 (45–60)0.50755 (45–60)52 (45–60)50 (45–60)0.016
 hs-CRP (mg/L)a2.4 (1.1–6.7)2.6 (1.1–6.7)0.7252.5 (1.1–6.0)2.5 (1.1–6.5)2.7 (1.1–8.1)0.370
 sLOX-1 (pg/mL)2.0 (2.0–6.9)2.0 (2.0–13.0)35.1 (15.8–73.4)<0.00110.2 (5.2–10.8)35.1 (27.8–44.0)106.4 (73.4–102.5)<0.001
 LDL-C (mmol/L)2.5 (2.0–3.3)3.1 (2.4–3.8)0.0402.9 (2.3–3.6)3.2 (2.5–3.9)3.1 (2.4–3.9)<0.001
 hs-TnT (ng/L)b34 (14–117)182 (55–572)<0.001144 (43–470)172 (62–551)243 (64–745)<0.001
 NT-proBNP (ng/L)c623 (129–1378)290 (89–1067)0.230274 (87–997)295 (95–1050)303 (85–1195)0.553
 eGFR (mL/min/1.73 m2)82 (57–92)88 (72–99)0.00188 (73–99)87 (71–99)88 (71–99)0.771
Baseline medication
 Aspirin57 (86.4)687 (41.5)<0.001270 (45.3)214 (38.6)203 (40.0)0.053
 P2Y12 inhibitor7 (10.6)161 (9.7)0.81161 (10.2)50 (9.0)50 (9.9)0.780
 Beta-blocker35 (53.0)543 (33.0)0.001205 (34.6)179 (32.6)159 (31.5)0.554
 ACE inhibitor/ARB46 (70.8)885 (53.8)0.007337 (56.8)290 (52.8)258 (51.4)0.168
 Vitamin K antagonist/DOAC11 (16.7)115 (6.9)0.00343 (7.2)38 (6.9)34 (6.7)0.943
 Statin60 (90.9)645 (39.0)<0.001257 (43.2)207 (37.5)181 (35.8)0.028
Index intervention
 PCI2327 (93.0)749 (91.8)789 (93.2)789 (94.0)0.195
 CABG69 (100)20 (0.8)<0.0018 (1.0)7 (0.8)5 (0.6)0.676

Categorical data are shown as numbers and percentages (%). Continuous data are presented as median and inter-quartile range or as mean ± standard error of means. Groups were compared by the Mann–Whitney test, Student's t-test for independent samples, one-way analysis of variance, χ2 test, Fisher's exact test, or Kruskal–Wallis test, as appropriate.

ACE, angiotensin-converting enzyme; ACS, acute coronary syndrome; ARB, angiotensin II receptor blocker; CABG, coronary artery bypass grafting; CCS, chronic coronary syndrome; CTRL, healthy controls; DOAC, direct oral anticoagulant; eGFR, estimated glomerular filtration rate; hs-CRP, high-sensitivity C-reactive protein; hs-TnT, high-sensitivity cardiac troponin T; Hx, history; LDL-C, low-density lipoprotein cholesterol; LVEF, left ventricular ejection fraction; NSTE-ACS, non-ST-segment elevation ACS; NT-proBNP, N-terminal prohormone of brain natriuretic peptide; PCI, percutaneous coronary intervention; STEMI, ST-segment elevation myocardial infarction; sLOX-1, soluble lectin-like oxidized low-density lipoprotein receptor-1.

a

Available in 2606 (98.7%) ACS patients.

b

Available in 2604 (98.7%) ACS patients.

c

Available in 2601 (98.6%) ACS patients.

Table 1

Baseline characteristics of SPUM-ACS Biomarker Study participants

CTRLCCS patientsACS patientsP-valuesLOX-1 Tertile 1sLOX-1 Tertile 2sLOX-1 Tertile 3P-value
≤21.33 pg/mL>21.33–56.94 pg/mL>56.94 pg/mL
(n = 120)(n = 69)(n = 2639)Groups(n = 880)(n = 879)(n = 880)Tertiles
Age (years)63.7 ± 0.7265.7 ± 1.263.7 ± 0.20.19564.1 ± 0.464.2 ± 0.462.8 ± 0.40.032
Female sex24 (20.0)7 (10.1)525 (19.9)0.132171 (19.4)186 (21.2)168 (19.1)0.507
ACS type
 STEMI1385 (53.7)407 (47.9)486 (56.1)492 (57.0)<0.001
 NSTE-ACS1194 (46.3)442 (52.1)381 (43.9)371 (43.0)
 Pre-hospital delay (min)165 (91–343)165 (95 - 344)165 (95 - 330)155 (90 - 360)0.816
 Hx of hyperlipidaemia54 (78.3)1686 (63.9)0.014566 (64.3)573 (65.2)547 (62.2)0.396
 Hx of diabetes28 (40.6)453 (17.2)<0.001161 (18.3)158 (18.0)134 (15.2)0.172
 Hx of hypertension56 (84.8)1438 (54.5)<0.001498 (56.7)478 (54.4)462 (52.5)0.216
 Hx of systemic inflammatory disease0 (0.0)72 (2.7)0.26328 (3.2)28 (3.2)16 (1.8)0.127
 Current smoker22 (31.9)956 (36.7)0.414318 (36.4)318 (36.6)320 (37.0)0.960
 Systolic blood pressure (mmHg)139.4 ± 3.0128.3 ± 0.5<0.001128.7 ± 0.8128.6 ± 0.8127.6 ± 0.80.589
 LVEF (%)53 (43–62)50 (45–60)0.50755 (45–60)52 (45–60)50 (45–60)0.016
 hs-CRP (mg/L)a2.4 (1.1–6.7)2.6 (1.1–6.7)0.7252.5 (1.1–6.0)2.5 (1.1–6.5)2.7 (1.1–8.1)0.370
 sLOX-1 (pg/mL)2.0 (2.0–6.9)2.0 (2.0–13.0)35.1 (15.8–73.4)<0.00110.2 (5.2–10.8)35.1 (27.8–44.0)106.4 (73.4–102.5)<0.001
 LDL-C (mmol/L)2.5 (2.0–3.3)3.1 (2.4–3.8)0.0402.9 (2.3–3.6)3.2 (2.5–3.9)3.1 (2.4–3.9)<0.001
 hs-TnT (ng/L)b34 (14–117)182 (55–572)<0.001144 (43–470)172 (62–551)243 (64–745)<0.001
 NT-proBNP (ng/L)c623 (129–1378)290 (89–1067)0.230274 (87–997)295 (95–1050)303 (85–1195)0.553
 eGFR (mL/min/1.73 m2)82 (57–92)88 (72–99)0.00188 (73–99)87 (71–99)88 (71–99)0.771
Baseline medication
 Aspirin57 (86.4)687 (41.5)<0.001270 (45.3)214 (38.6)203 (40.0)0.053
 P2Y12 inhibitor7 (10.6)161 (9.7)0.81161 (10.2)50 (9.0)50 (9.9)0.780
 Beta-blocker35 (53.0)543 (33.0)0.001205 (34.6)179 (32.6)159 (31.5)0.554
 ACE inhibitor/ARB46 (70.8)885 (53.8)0.007337 (56.8)290 (52.8)258 (51.4)0.168
 Vitamin K antagonist/DOAC11 (16.7)115 (6.9)0.00343 (7.2)38 (6.9)34 (6.7)0.943
 Statin60 (90.9)645 (39.0)<0.001257 (43.2)207 (37.5)181 (35.8)0.028
Index intervention
 PCI2327 (93.0)749 (91.8)789 (93.2)789 (94.0)0.195
 CABG69 (100)20 (0.8)<0.0018 (1.0)7 (0.8)5 (0.6)0.676
CTRLCCS patientsACS patientsP-valuesLOX-1 Tertile 1sLOX-1 Tertile 2sLOX-1 Tertile 3P-value
≤21.33 pg/mL>21.33–56.94 pg/mL>56.94 pg/mL
(n = 120)(n = 69)(n = 2639)Groups(n = 880)(n = 879)(n = 880)Tertiles
Age (years)63.7 ± 0.7265.7 ± 1.263.7 ± 0.20.19564.1 ± 0.464.2 ± 0.462.8 ± 0.40.032
Female sex24 (20.0)7 (10.1)525 (19.9)0.132171 (19.4)186 (21.2)168 (19.1)0.507
ACS type
 STEMI1385 (53.7)407 (47.9)486 (56.1)492 (57.0)<0.001
 NSTE-ACS1194 (46.3)442 (52.1)381 (43.9)371 (43.0)
 Pre-hospital delay (min)165 (91–343)165 (95 - 344)165 (95 - 330)155 (90 - 360)0.816
 Hx of hyperlipidaemia54 (78.3)1686 (63.9)0.014566 (64.3)573 (65.2)547 (62.2)0.396
 Hx of diabetes28 (40.6)453 (17.2)<0.001161 (18.3)158 (18.0)134 (15.2)0.172
 Hx of hypertension56 (84.8)1438 (54.5)<0.001498 (56.7)478 (54.4)462 (52.5)0.216
 Hx of systemic inflammatory disease0 (0.0)72 (2.7)0.26328 (3.2)28 (3.2)16 (1.8)0.127
 Current smoker22 (31.9)956 (36.7)0.414318 (36.4)318 (36.6)320 (37.0)0.960
 Systolic blood pressure (mmHg)139.4 ± 3.0128.3 ± 0.5<0.001128.7 ± 0.8128.6 ± 0.8127.6 ± 0.80.589
 LVEF (%)53 (43–62)50 (45–60)0.50755 (45–60)52 (45–60)50 (45–60)0.016
 hs-CRP (mg/L)a2.4 (1.1–6.7)2.6 (1.1–6.7)0.7252.5 (1.1–6.0)2.5 (1.1–6.5)2.7 (1.1–8.1)0.370
 sLOX-1 (pg/mL)2.0 (2.0–6.9)2.0 (2.0–13.0)35.1 (15.8–73.4)<0.00110.2 (5.2–10.8)35.1 (27.8–44.0)106.4 (73.4–102.5)<0.001
 LDL-C (mmol/L)2.5 (2.0–3.3)3.1 (2.4–3.8)0.0402.9 (2.3–3.6)3.2 (2.5–3.9)3.1 (2.4–3.9)<0.001
 hs-TnT (ng/L)b34 (14–117)182 (55–572)<0.001144 (43–470)172 (62–551)243 (64–745)<0.001
 NT-proBNP (ng/L)c623 (129–1378)290 (89–1067)0.230274 (87–997)295 (95–1050)303 (85–1195)0.553
 eGFR (mL/min/1.73 m2)82 (57–92)88 (72–99)0.00188 (73–99)87 (71–99)88 (71–99)0.771
Baseline medication
 Aspirin57 (86.4)687 (41.5)<0.001270 (45.3)214 (38.6)203 (40.0)0.053
 P2Y12 inhibitor7 (10.6)161 (9.7)0.81161 (10.2)50 (9.0)50 (9.9)0.780
 Beta-blocker35 (53.0)543 (33.0)0.001205 (34.6)179 (32.6)159 (31.5)0.554
 ACE inhibitor/ARB46 (70.8)885 (53.8)0.007337 (56.8)290 (52.8)258 (51.4)0.168
 Vitamin K antagonist/DOAC11 (16.7)115 (6.9)0.00343 (7.2)38 (6.9)34 (6.7)0.943
 Statin60 (90.9)645 (39.0)<0.001257 (43.2)207 (37.5)181 (35.8)0.028
Index intervention
 PCI2327 (93.0)749 (91.8)789 (93.2)789 (94.0)0.195
 CABG69 (100)20 (0.8)<0.0018 (1.0)7 (0.8)5 (0.6)0.676

Categorical data are shown as numbers and percentages (%). Continuous data are presented as median and inter-quartile range or as mean ± standard error of means. Groups were compared by the Mann–Whitney test, Student's t-test for independent samples, one-way analysis of variance, χ2 test, Fisher's exact test, or Kruskal–Wallis test, as appropriate.

ACE, angiotensin-converting enzyme; ACS, acute coronary syndrome; ARB, angiotensin II receptor blocker; CABG, coronary artery bypass grafting; CCS, chronic coronary syndrome; CTRL, healthy controls; DOAC, direct oral anticoagulant; eGFR, estimated glomerular filtration rate; hs-CRP, high-sensitivity C-reactive protein; hs-TnT, high-sensitivity cardiac troponin T; Hx, history; LDL-C, low-density lipoprotein cholesterol; LVEF, left ventricular ejection fraction; NSTE-ACS, non-ST-segment elevation ACS; NT-proBNP, N-terminal prohormone of brain natriuretic peptide; PCI, percutaneous coronary intervention; STEMI, ST-segment elevation myocardial infarction; sLOX-1, soluble lectin-like oxidized low-density lipoprotein receptor-1.

a

Available in 2606 (98.7%) ACS patients.

b

Available in 2604 (98.7%) ACS patients.

c

Available in 2601 (98.6%) ACS patients.

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