Table 1 Baseline characteristics

Demographic and lifestyle

Age (years), median (IQR)

58 (15)

64 (17)

57 (14)

< 0.001

Male, n (%)

1032 (76.5)

95 (66.0%)

937 (77.8%)

0.002

Smoking status

Current, n (%)

802 (59.5)

71 (49.3%)

731 (60.7%)

0.009

Risk factors

Hypertension, n (%)

847 (62.8)

99 (68.8%)

748 (62.1%)

0.120

Type II DM, n (%)

293 (21.7)

40 (27.8%)

253 (21.0%)

0.062

Dyslipidemia, n (%)

263 (19.5)

29 (20.1%)

234 (19.4%)

0.360

Family history of premature CAD, n (%)

132 (9.8)

14 (9.7%)

118 (9.8%)

0.979

Obesity, n (%)^a

89 (6.6)

5 (3.5%)

84 (7.0%)

0.110

Chest pain duration (hours)^b

10 (19)

15 (32)

10 (16)

< 0.001

Killip classification

Killip II, n (%)

218 (15.7)

25 (17.4%)

193 (16.0%)

< 0.001

Killip III, n (%)

35 (1)

12 (8.3%)

23 (1.9%)

< 0.001

Killip IV, n (%)

128 (9.4)

53 (36.8%)

75 (6.2%)

< 0.001

ACS Types

STEMI, n (%)

781 (56.6)

90 (62.5%)

691 (57.3%)

0.594

NSTEMI, n (%)

487 (36)

48 (33.3%)

439 (36.4%)

0.594

UAP, n (%)

80 (5.1)

6 (4.2%)

74 (6.1%)

0.594

SBP (mmHg), median (IQR)

120 (30)

110 (50)

120 (30)

< 0.001

DBP (mmHg), median (IQR)

80 (20)

70 (20)

80 (20)

< 0.001

MAP (mmHg), median (IQR)^c

91.3 (20)

83 (30)

93 (20)

< 0.001

Heart rate (bpm), median (IQR)

80 (26)

96 (30)

80 (24)

< 0.001

Laboratory findings at admission

Direct blood glucose (mg/dL), median (IQR)

129 (58)

151 (95)

126(53)

0.001

Ureum (mmol/L), median (IQR)

32.9 (25)

48 (68)

31 (23)

< 0.001

Creatinine (µmol/L), median (IQR)

1.17 (17)

1.72 (1.47)

1.14 (0.57)

< 0.001

Creatinine clearance (mL/min), median (IQR)

59 (37)

32.9 (32.3)

60 (34.9)

0.009

Troponin-I (ng/L), median (IQR)

4.9 (10)

10 (9)

4.6 (10)

0.028

Revascularization procedure

Fibrinolytic, n (%)

155 (10.6)

8 (5.6%)

147 (12.2%)

0.047

PCI, n (%)

868 (64.2)

62 (43.1%)

805 (66.8%)

< 0.001