Table 1.
Baseline Characteristics of Patients in the NORIN-STEMI Registry, Stratified by Sex
| All (N = 3,635) | Female (n = 582,16%) | Male (n = 3,053,84%) | P Value (2-Sided) | |
|---|---|---|---|---|
| Age, y | 55 (45-62) | 60 (52-65) | 53 (45-60) | <0.0001 |
| ≥60 | 1,336 (37) | 325 (56) | 1,011 (33) | |
| 50-59 | 1,106 (30) | 147 (25) | 959 (31) | <0.0001 |
| 40-49 | 874 (24) | 95 (16) | 779 (26) | |
| <40 | 319 (9) | 15 (3) | 304 (10) | |
| Medical history | ||||
| Diabetes mellitus | 855 (24) | 215 (37) | 640 (21) | <0.0001 |
| Hypertension | 1,039 (29) | 264 (45) | 775 (25) | <0.0001 |
| Cancer | 7 (0) | 0 (0) | 7 (0) | 0.60 |
| Atrial fibrillation | 76 (2) | 8 (1) | 68 (2) | 0.19 |
| Hemodialysis | 1 (0) | 0 (0) | 1 (0) | 0.99 |
| Heart failure | 38 (1) | 9 (2) | 29 (1) | 0.19 |
| Dyslipidemia | 77 (2) | 17 (3) | 60 (2) | 0.14 |
| Prior cerebrovascular accident | 43 (1) | 5 (1) | 38 (1) | 0.43 |
| Prior myocardial infarction | 443 (12) | 64 (11) | 379 (12) | 0.34 |
| Prior CABG | 6 (0) | 0 (0) | 6 (0) | 0.60 |
| Peripheral artery disease | 4 (0) | 0 (0) | 4 (0) | 0.99 |
| Tobacco use | ||||
| Never | 1,349 (37) | 486 (84) | 863 (28) | <0.0001 |
| Former | 272 (7) | 17 (3) | 255 (8) | |
| Current, some days | 103 (3) | 11 (2) | 92 (3) | |
| Current, every day | 1,909 (53) | 67 (12) | 1,842 (60) | |
| Physical activity | ||||
| Yes | 482 (13) | 49 (8) | 433 (14) | 0.0002 |
| BMI | ||||
| Underweight (<18.5 kg/m2) | 90 (2) | 28 (5) | 62 (2) | <0.0001 |
| Normal body weight (18.5-25 kg/m2) | 1,564 (43) | 260 (45) | 1,304 (43) | |
| Overweight (25-30 kg/m2) | 1,565 (43) | 202 (35) | 1,363 (45) | |
| Obese (>30 kg/m2) | 416 (11) | 92 (16) | 324 (11) | |
| Socioeconomic factors | ||||
| Education | ||||
| College graduate | 271 (7) | 16 (3) | 255 (8) | <0.0001 |
| High school | 557 (15) | 33 (6) | 524 (17) | |
| Middle school | 951 (26) | 93 (16) | 858 (28) | |
| No formal education | 1,856 (51) | 440 (76) | 1416 (46) | |
| Insurance, self-pay | 3,578 (98) | 577 (99) | 3,001 (98) | 0.12 |
| Income quartile | ||||
| Upper middle | 96 (3) | 11 (2) | 85 (3) | 0.51 |
| Lower middle | 1,184 (33) | 195 (34) | 989 (32) | |
| Upper lower | 1,369 (38) | 226 (39) | 1,143 (37) | |
| Lower | 983 (27) | 150 (26) | 833 (27) | |
| Alcohol | ||||
| Never | 2,737 (75) | 575 (98) | 2,162 (71) | <0.0001 |
| Former | 183 (5) | 1 (0) | 182 (6) | |
| Current, some days | 393 (11) | 6 (1) | 387 (13) | |
| Current, every day | 322 (9) | 0 (0) | 322 (11) | |
| Medications at baseline | ||||
| Aspirin | 389 (11) | 56 (10) | 333 (11) | 0.36 |
| Statin | 386 (11) | 57 (10) | 329 (11) | 0.48 |
| Beta-blocker | 467 (13) | 83 (13) | 384 (13) | 0.27 |
| ACE inhibitor/ARB | 447 (12) | 90 (16) | 357 (12) | 0.01 |
| Calcium channel blocker | 194 (5) | 56 (10) | 138 (5) | <0.0001 |
Values are median (IQR) or n (%).
ACE = angiotensin converting enzyme inhibitors; ARB = angiotensin receptor blockers; BMI = body mass index; CABG = coronary artery bypass grafting; NORIN-STEMI = North India ST-Segment Elevation Myocardial Infarction Registry.