STEMI | NSTEMI | |||||
Weekday (n=1591) | Weekend (n=649) | P value | Weekday (n=1131) | Weekend (n=386) | P value | |
30-day mortality (%)* | 101 (6.35) | 39 (6.01) | 0.423 | 46 (4.07) | 14 (3.63) | 0.412 |
In-hospital mortality (%)* | 75 (4.71) | 28 (4.31) | 0.739 | 37 (3.27) | 12 (3.11) | 0.999 |
Age, years† | 62.9±13.0 | 62.9±13.9 | 0.908 | 67.7±13.0 | 70.2±13.1 | 0.01 |
Gender, male (%)* | 1161 (72.9) | 475 (73.2) | 0.999 | 789 (70.0) | 247 (64.0) | 0.180 |
Cardiac arrest (%)* | ||||||
None | 1367 (85.9) | 566 (87.2) | 0.378 | 1081 (95.6) | 362 (93.8) | 0.679 |
VT/ VF | 155 (9.74) | 62 (9.55) | – | 22 (1.94) | 4 (1.04) | – |
Asystole/PEA | 38 (2.39) | 8 (1.23) | – | 16 (1.41) | 6 (1.55) | – |
Unknown | 31 (1.95) | 13 (2.00) | – | 12 (1.06) | 14 (3.62) | – |
Previous MI (%)* | 177 (11.2) | 78 (12.1) | 0.701 | 351 (31.0) | 116 (30.1) | 0.579 |
Left ventricular ejection fraction (%)* | ||||||
Normal/mild | 480 (30.2) | 216 (33.3) | 0.549 | 506 (44.7) | 163 (42.2) | 0.164 |
Moderate | 504 (31.7) | 199 (30.7) | – | 204 (18.4) | 79 (20.5) | – |
Severe | 114 (7.17) | 50 (7.70) | – | 66 (5.84) | 30 (7.77) | – |
Unknown | 493 (31.0) | 184 (28.4) | – | 355 (31.4) | 114 (29.5) | – |
Hypertension (%)* | 539 (33.9) | 234 (36.2) | 0.246 | 613 (54.2) | 213 (55.2) | 0.651 |
Hypercholesterolaemia(%)* | 567 (35.6) | 248 (38.2) | 0.167 | 648 (57.2) | 213 (55.2) | 0.982 |
PVD (%)* | 79 (5.00) | 29 (4.50) | 0.652 | 97 (8.58) | 37 (9.59) | 0.765 |
CVD (%)* | 83 (5.21) | 32 (4.93) | 0.522 | 110 (9.73) | 51 (13.2) | 0.208 |
COPD (%)* | 218 (13.1) | 85 (13.1) | 0.565 | 208 (18.4) | 62 (16.1) | 0.604 |
CKD (%)* | 45 (2.83) | 19 (2.92) | 0.770 | 115 (10.2) | 35 (9.07) | 0.603 |
Smoking, current (%)* | 615 (38.7) | 257 (39.6) | 0.582 | 306 (27.1) | 96 (24.9) | 0.478 |
Diabetes (%)* | 187 (11.7) | 78 (12.0) | 0.174 | 255 (22.5) | 77 (19.9) | 0.105 |
*Difference between groups was assessed using a χ2 test.
†Difference between groups was assessed using an independent-samples t-test. Continuous variables are summarised as mean (SD). Categorical variables are summarised as n (%).
CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; CVD, cerebrovascular disease; MI, myocardial infarction; PEA, pulseless electrical activity; PVD, peripheral vascular disease; VF/VT, ventricular fibrillation/ventricular tachycardia.