| Total population (n = 201) | Simplified QRS < 4 (n = 106) | Simplified QRS > 4 (n = 95) | p-value |
---|---|---|---|---|
Age, years | 56 [50–67] | 55 [49–63] | 59 [52–69] | 0.004 |
Female, n (%) | 37 (18) | 21 (20) | 16 (17) | 0.588 |
Body mass index, kg/m2 | 26 [25–29] | 26 [24–28] | 27 [25–29] | 0.044 |
Hypertension, n (%) | 113 (56) | 53 (50) | 60 (63) | 0.060 |
Systolic blood pressure, mmHg | 130 [114–150] | 130 [111–150] | 130 [116–150] | 0.460 |
Diastolic blood pressure, mmHg | 80 [70–92] | 80 [68–90] | 80 [71–94] | 0.348 |
Heart rate, min | 71 [63–85] | 70 [62–83] | 74 [64–87] | 0.141 |
Current smoker, n (%) | 114 (57) | 65 (61) | 49 (52) | 0.164 |
Hyperlipidaemia, n (%) | 112 (56) | 59 (56) | 53 (56) | 0.958 |
Diabetes mellitus, n (%) | 19 (10) | 8 (8) | 11 (12) | 0.329 |
Anterior infarct localisation, (%) | 92 (46) | 35 (33) | 57 (60) | <0.001 |
TIMI flow pre-pPCI | 0.158 | |||
0 | 117 (58) | 60 (57) | 57 (60) | Â |
1 | 34 (17) | 14 (13) | 20 (21) | Â |
2 | 37 (18) | 25 (24) | 12 (13) | Â |
3 | 13 (7) | 7 (7) | 6 (6) | Â |
TIMI flow post-pPCI | 0.717 | |||
0 | 1 (1) | 1 (1) | 0 (0) | Â |
1 | 3 (2) | 1 (1) | 2 (2) | Â |
2 | 21 (10) | 11 (10) | 10 (11) | Â |
3 | 176 (88) | 93 (88) | 83 (87) | Â |
Time from symptom onset to pPCI, min | 194 [128–378] | 198 [137–373] | 189 [123–403] | 0.517 |
Peak hs-cTnT, ng/l | 4260 [1931–7214] | 3150 [1297–5714] | 5708 [2784–9352] | <0.001 |
IS baseline, % of LVMM | 15 [7–24] | 13 [5–20] | 17 [10–26] | 0.001 |
MVO baseline present | 102 (51) | 59 (45) | 43 (62) | 0.003 |
IS follow-up, % of LVMM | 10 [4–15] | 8 [2–14] | 11 [6–16] | 0.003 |