Table 1 Baseline characteristics of patients with acute coronary syndrome according to area of residency
| Variable |
Overall sample (n = 586) |
Urban areas (n = 268 − 46 %) |
Rural areas (n = 318 − 54 %) | P-value |
|---|---|---|---|---|
| Age, years | 67(60–75) | 68(59–76) | 65(60–75) | 0.25 |
| Gender, female | 31 | 30 | 31 | 0.75 |
| Education above primary school | 24 | 32 | 17 | < 0.0001 |
| Body mass index, kg/m2 | 25(23–28) | 27(23–27) | 25(24–28) | 0.05 |
| Smoking habit a | 66 | 66 | 65 | 0.75 |
| Alcohol use | 75 | 76 | 75 | 0.81 |
| Hypertension | 50 | 52 | 47 | 0.23 |
| Diabetes mellitus | 24 | 26 | 22 | 0.27 |
| Systolic blood pressure, mmHg | 120(110–130) | 120(110–130) | 120(110–135) | 0.50 |
| Diastolic blood pressure, mmHg | 80(70–80) | 75(70–80) | 80(70–80) | 0.53 |
| Heart rate, beats/min | 72(60–83) | 73(62–82) | 71(60–83) | 0.82 |
| Non-ST elevation ACS | 37 | 36 | 38 | 0.54 |
| Killip class > 1 | 37 | 41 | 34 | 0.10 |
| Hb, g/dL | 14(12–15) | 14(12–15) | 14(12–15) | 0.83 |
| Blood glucose level, mg/dL | 122(101–166) | 125(104–175) | 119(99–156) | 0.20 |
| Serum creatinine level, mg/dL | 0.9(0.9–1.1) | 0.9(0.8–1.2) | 0.9(0.9–1.1) | 0.59 |
| CK-MB peak*, U/L | 103(44–212) | 104(47–213) | 102(43–207) | 0.67 |
| Total cholesterol*, mg/dL | 206(175–242) | 203(171–236) | 208(177–243) | 0.26 |