Table 1.
Baseline characteristics of study patients
| Variables | Case group (N [%]) | Control group (N [%]) | Z/χ 2 | P |
|---|---|---|---|---|
| Setting | 164 | 492 | ||
| A | 90 (54.9) | 266 (54.1) | .860 | |
| B | 33 (20.1) | 93 (18.9) | 0.302 | |
| C | 41 (25.0) | 133(27.0) | ||
| Department | ||||
| ICU | 103 (62.8) | 297 (60.4) | 0.308 | .579 |
| General ward | 61 (37.2) | 195 (39.6) | ||
| Age | 71.31 ± 11.51 | 65.67 ± 13.00 | −5.368 | <.001 |
| Gender | ||||
| Male | 120 (73.2) | 385 (78.3) | 1.517 | .218 |
| Female | 44 (26.8) | 107 (21.7) | ||
| Diagnosis of ACS | ||||
| STEMI | 72 (44.2) | 206 (41.9) | .865 | |
| NSTEMI | 77 (47.2) | 240 (48.8) | 0.290 | |
| UA | 14 (8.6) | 46 (9.3) | ||
| Culprit artery | ||||
| One‐vessel | 41 (25.0) | 158 (32.1) | .010 | |
| Two‐vessel | 33 (20.1) | 127 (25.8) | 13.383 | |
| Three‐vessel | 47 (28.7) | 135 (27.4) | ||
| Left main coronary artery + multivessel | 11 (6.7) | 21 (4.3) | ||
| Noncoronary angiography | 32 (19.5) | 51 (10.4) | ||
| Hypertension | ||||
| Yes | 107 (65.2) | 303 (61.6) | 0.702 | .402 |
| No | 57 (34.8) | 189 (38.4) | ||
| Hyperlipidemia | ||||
| Yes | 37 (22.6) | 143 (29.1) | 2.613 | .129 |
| No | 127 (77.4) | 349 (70.9) | ||
| Diabetes | ||||
| Yes | 67 (40.9) | 137 (27.8) | 9.713 | .002 |
| No | 97 (59.1) | 355 (72.2) | ||
| CCI | 3.27 ± 1.95 | 2.28 ± 1.57 | −5.914 | <.001 |
| Smoking | ||||
| Yes | 61 (37.2) | 254 (51.6) | 10.262 | .001 |
| No | 103 (62.8) | 238 (48.4) | ||
| Drinking | ||||
| Yes | 16 (9.8) | 75 (15.3) | 2.206 | .106 |
| No | 147 (90.2) | 416 (84.7) |