DIDO time (mins) | aOR (95% CI)a (timely DIDO vs. untimely)b | ||
---|---|---|---|
≤30 min | > 30 min | ||
(N = 194) | (N = 772) | ||
Frequency (column %) | |||
Age group, years | |||
18–55 | 87 (44.8) | 230 (29.8) | Ref. |
56–65 | 51 (26.3) | 234 (30.3) | 0.57 (0.39–0.87) |
66–75 | 36 (18.6) | 154 (19.9) | 0.61 (0.37–0.99) |
> 75 | 20 (10.3) | 154 (19.9) | 0.30 (0.16–0.56) |
Sex, females | 33 (17.0) | 194 (25.1) | 0.72 (0.46–1.15) |
Cardiovascular risk factors | |||
Diabetes mellitus | 39 (20.1) | 167 (21.6) | 0.95 (0.62–1.45) |
Current smoker | 88 (45.4) | 302 (39.1) | 0.96 (0.67–1.39) |
Hypertension | 93 (47.9) | 390 (50.5) | 0.98 (0.68–1.41) |
Previous cardiovascular clinical events | |||
Myocardial infarction | 21 (10.8) | 99 (12.8) | 0.68 (0.70–3.03) |
Angina | 8 (4.1) | 41 (5.3) | 0.93 (0.39–2.22) |
COPD | 7 (3.6) | 38 (4.9) | 0.94 (0.38–2.33) |
Stroke | 7 (3.6) | 30 (3.9) | 1.43 (0.58–3.57) |
Presenting characteristics | |||
Cardiac arrest at scene | 13 (6.7) | 51 (6.6) | 0.69 (0.71–2.04) |
Elevated cardiac enzymesc | 171 (88.1) | 675 (87.4) | 1.22 (0.71–2.04) |
Off-hours presentationd | 122 (62.9) | 508 (65.8) | 0.91 (0.64–1.28) |
Symptom to FMC time, mins | |||
0–60 | 84 (43.3) | 212 (27.5) | Ref. |
61–120 | 56 (28.9) | 268 (34.7) | 0.60 (0.39–0.90) |
> 120 | 54 (27.8) | 292 (37.8) | 0.53 (0.35–0.81) |
Transport to first hospital | |||
Self-transport | 103 (53.1) | 510 (66.1) | Ref. |
EMS transport with ECG | 36 (18.6) | 71 (9.2) | 2.63 (1.59–4.35) |
EMS transport without ECG | 55 (28.4) | 191 (24.7) | 1.45 (0.95–2.22) |