Table 2: Patient clinical data.

 

Total cohort

(n = 368)

Patients ≤ 55 years of age (n = 119)

Patients > 55 years of age (n = 249)

STEMI, n (%)

190 (51.6%)

61 (51.3%)

129 (51.8%)

NSTEMI, n (%)

178 (48.4%)

58 (48.7%)

120 (48.2%)

Mean admission serum creatinine (micromol/L SD)

88.1 74.7

83.2 82.6

90.5 70.6

Mean peak TNI (micrograms/L SD)

25.4 21.3

30.2 20.8

23.0 21.1

Mean peak CK (units/L SD)

1219.9 1565.7

1579.0 1697.0

1043.0 1469.0

ECG changes

ECG ST elevation, n (%)

ECG ST depression, n (%)

ECG T wave inversion, n (%)

ECG Q waves, n (%)

ECG left bundle branch block, n (%)

ECG no change, n (%)

 

190 (51.6%)

26 (7.1%)

37 (10.1%)

7 (1.9%)

12 (3.3%)

96 (26.1%)

 

69 (58.0%)

4 (3.4%)

22 (18.5%)

5 (4.2%)

0 (0%)

19 (16.0%)

 

121 (48.6%)

22 (8.8%)

15 (6.0%)

2 (0.8%)

12 (4.8%)

77 (30.9%)

Arrhythmias

AF, n (%)

VT/VF, n (%)

Heart block, n (%)

No arrhythmia, n (%)

 

23 (6.3%)

34 (9.2%)

9 (2.5%)

302 (82.1%)

 

5 (4.2%)

8 (6.7%)

1 (0.8%)

105 (88.2%)

 

18 (7.2%)

26 (10.4%)

8 (3.2%)

197 (79.1%)

Killip class

Killip I, n (%)

Killip II, n (%)

Killip III n (%)

Killip IV, n (%)

 

321 (87.2%)

23 (6.3%)

11 (3.0%)

13 (3.5%)

 

114 (95.8%)

4 (3.4%)

1 (0.8%)

0 (0%)

 

207 (83.1%)

19 (7.6%)

10 (4.0%)

13 (5.2%)

LV systolic function

LV Preserved, n (%)

LV Mild, n (%)

LV Moderate, n (%)

LV Severe, n (%)

 

168 (46.7%)

99 (27.5%)

73 (20.3%)

20 (5.6%)

 

64 (54.2%)

32 (27.1%)

20 (17.0%)

2 (1.7%)

 

104 (43.0%)

67 (27.7%)

53 (21.9%)

18 (7.4%)

Thrombolysis, n (%)

19 (5.2%)

8 (6.7%)

11 (4.4%)

Proceed to CABG, n (%)

20 (5.4%)

8 (6.7%)

12 (4.8%)

 

STEMI = ST-elevation myocardial infarction, NSTEMI = non ST-elevation myocardial infarction, L = litre, TNI = troponin I, CK = creatine kinase, ECG = electrocardiogram, AF = atrial fibrillation, VT/VF = ventricular tachycardia or ventricular fibrillation, Heart block = Mobitz II or complete heart block, LV Preserved = left ventricular systolic function preserved (left ventricular ejection fraction > 50%), LV Mild = mild reduction of left ventricular systolic function (left ventricular ejection fraction > 40% - 50%), LV Moderate = moderate reduction of left ventricular systolic function (left ventricular ejection fraction 35 - 40%), LV Severe = severe reduction of left ventricular systolic function (left ventricular ejection fraction < 35%), CABG = coronary artery bypass grafting.