Table 1. Demographic and procedure-related patient characteristics stratified by sex and age (≤55 years; >55 years).
| Demographic and procedure-related characteristics of the study population | All patients n = 2199 | Women≤55 years n = 104 | Women>55 years n = 465 | Men≤55 years n = 511 | Men>55 years n = 1119 | p-value |
|---|---|---|---|---|---|---|
| Age (years), median[Q1;Q3] | 61.7[54.0;71.0] | 49.3[43.4;52.4] | 70.7[63.9;80.7] | 49.3[45.2;52.3] | 64.4[59.4;72.4] | <0.001 |
| BMI, kg/m2, median[Q1;Q3] | 27.2[24.7;30.4] | 27.4[23.5;31.4] | 26.0[23.5;29.2] | 27.6[25.1;30.8] | 27.4[25.0;30.2] | <0.001 |
| Hypertension, n (%)* | 1013 (49.0) | 34 (35.4) | 274 (62.8) | 146 (30.6) | 559 (52.7) | <0.001 |
| Diabetes, n (%)* | 368 (17.8) | 15 (15.6) | 95 (21.9) | 56 (11.7) | 202 (19.2) | <0.001 |
| Smoking, n (%)* | 1022 (49.4) | 72 (72.7) | 149 (34.7) | 333 (68.9) | 468 (44.2) | <0.001 |
| CAD family history, n (%)* | 705 (34.7) | 49 (50.5) | 112 (26.7) | 249 (52) | 295 (28.5) | <0.001 |
| Dyslipidemia, n (%)* | 1254 (60.5) | 54 (55.7) | 263 (60.2) | 263 (54.7) | 674 (63.8) | <0.001 |
| KILLIP class IV on arrival, n (%) | 176 (8.0) | 10 (9.6) | 38 (8.2) | 37 (7.2) | 91 (8.1) | 0.89 |
| Cardiac arrest on arrival, n (%) | 263 (12.5) | 15 (15.2) | 52 (11.7) | 61 (12.6) | 135 (12.6) | 0.82 |
| TIMI flow ≤1 at admission, n (%) | 1545 (70.3) | 64 (62.0) | 328 (71.0) | 385 (75.3) | 777 (69.4) | 0.08 |
| TIMI flow ≤1 post PCI, n (%) | 45 (2.1) | 0 (0) | 18 (3.9) | 9 (1.8) | 18 (1.6) | 0.019 |
BMI, body mass index; CAD, coronary artery disease; PCI, percutaneous coronary intervention. Data are presented as median [interquartile range, IQR] or n (%).
* Data are missing in 127–170 patients.