Table 1.
Baseline characteristics.
| cTnT +ve |
cTnT −ve |
p-value | |||
|---|---|---|---|---|---|
| TFG 0/1 (n = 240) | TFG 2/3 (n = 80) | TFG 0/1 (n = 23) | TFG 2/3 (n = 67) | ||
| Age (years) | 61 ± 12 | 63 ± 13 | 60 ± 11 | 61 ± 12 | 0.607 |
| Male gender | 178 (74) | 55 (69) | 15 (65) | 47 (70) | 0.085 |
| BMI (kg/m2) | 27 ± 3 | 26 ± 4 | 27 ± 4 | 27 ± 4 | 0.681 |
| Risk factors | |||||
| Hypertension | 132 (55) | 53 (66) | 14 (61) | 43 (64) | 0.034 |
| Hyperlipidaemia | 113 (47) | 44 (55) | 11 (48) | 36 (54) | 0.048 |
| Current smoker | 72 (30) | 26 (33) | 7 (30) | 21 (31) | 0.467 |
| Diabetes mellitus | 38 (16) | 14 (18) | 4 (17) | 10 (15) | 0.340 |
| Family history of CAD | 46 (19) | 18 (23) | 5 (22) | 14 (21) | 0.422 |
| Past medical history | |||||
| Prior MI | 26 (11) | 10 (13) | 3 (13) | 7 (10) | 0.253 |
| Prior angina | 55 (23) | 20 (25) | 5 (22) | 10 (15) | 0.083 |
| Prior PCI | 19 (8) | 8 (10) | 3 (13) | 6 (9) | 0.091 |
| Prior CABG | 8 (3) | 5 (6) | 2 (9) | 3 (5) | 0.068 |
| Multivessel disease | 29 (12) | 9 (11) | 3 (13) | 7 (10) | 0.402 |
| GFR (ml/min1) | 50 ± 10 | 46 ± 12 | 46 ± 12 | 47 ± 13 | 0.588 |
| GP IIb/IIIa use | 110 (46) | 35 (44) | 5 (22) | 17 (25) | <0.001 |
| Time to treatment | |||||
| Symptom onset to first medical contact (h) | 1.1 (0.9–1.8) | 1.6 (1.0–2.1) | 1.2 (0.9–1.7) | 1.4 (1.0–1.9) | 0.611 |
| First medical contact to 12-lead ECG (mins) | 7 (5–10) | 10 (6–13) | 9 (5–12) | 8 (5–10) | 0.424 |
| 12-lead ECG to angiography (h) | 23 (20–34) | 21 (19–32) | 26 (21–36) | 23 (19–30) | 0.372 |
Values are n (%), mean±SD, or median (IQR). BMI, body mass index; CABG, coronary artery bypass grafting; CAD, coronary artery disease; cTnT, cardiac troponin T; GFR, glomerular filtration rate; GP, glycoprotein; MI, myocardial infarction; PCI, percutaneous coronary intervention; TFG, TIMI flow grade.