| Characteristics | Men |
Women |
||||||
|---|---|---|---|---|---|---|---|---|
| <65 y (n = 466) |
65–74y (n = 244) |
≥75y (n = 408) |
p- value |
<65 y (n = 189) |
65–74y (n = 166) |
≥75y (n = 586) |
p- value |
|
| Age (mean ± SD, years) | 53.4 ( 7.83 ) | 69.9 ( 2.99 ) | 82.8 ( 5.19 ) | 55.4 ( 7.12 ) | 70.0 ( 2.68 ) | 84.3 ( 5.89 ) | ||
| White (%) | 86.6 | 83.3 | 92.6 | 0.001 | 95.1 | 94.6 | 98.4 | 0.005 |
| Marital status (%) | ||||||||
| Single | 19.7 | 11.6 | 7.6 | <0.001 | 16.4 | 13.3 | 11.1 | <0.001 |
| Married | 62.2 | 69.4 | 64.1 | 53.9 | 43.6 | 25.6 | ||
| Divorced | 16.1 | 10.3 | 5.2 | 15.3 | 7.9 | 2.6 | ||
| Widowed | 1.3 | 7.9 | 21.9 | 12.7 | 34.6 | 59.7 | ||
| Medical History (%) | ||||||||
| Atrial fibrillation | 2.6 | 12.7 | 27.2 | <0.001 | 3.2 | 10.8 | 18.9 | <0.001 |
| Hypertension | 56.2 | 78.7 | 79.7 | <0.001 | 69.8 | 85.5 | 83.3 | <0.001 |
| Heart failure | 7.94 | 20.1 | 37.9 | <0.001 | 17.5 | 25.9 | 36.9 | <0.001 |
| Diabetes | 21.0 | 45.1 | 37.3 | <0.001 | 37.0 | 52.4 | 32.6 | <0.001 |
| Stroke | 4.51 | 10.7 | 20.6 | <0.001 | 8.5 | 12.1 | 13.7 | 0.17 |
| AMI characteristics (%) | ||||||||
| Initial | 72.3 | 63.9 | 56.1 | <0.001 | 71.9 | 66.3 | 62.3 | 0.05 |
| Q-wave | 34.9 | 20.5 | 9.3 | <0.001 | 21.7 | 12.1 | 15.2 | 0.03 |
| STEMI | 50.9 | 40.6 | 17.7 | <0.001 | 33.9 | 24.1 | 24.7 | 0.04 |
| Pre-hospital delay (hr), median | ||||||||
| (IQR) | 1.78(1.00–4.42) | 2.00(1.00–3.50) | 2.00(1.00– 4.33) | <0.001 | 1.83(1.00–4.00) | 2.00 (1.17– 4.25) | 2.08(1.20 – 4.43) | <0.001 |
| Clinical parameters on admission, median (IQR) | ||||||||
| Heart rate (beats/min) | 80 ( 68 – 92 ) | 80 ( 68 – 100 ) | 80 ( 68 – 100 ) | <0.001 | 85.5 ( 72 – 98 ) | 84(69.5 – 106 ) | 88 (75 – 104 ) | <0.001 |
| Systolic BP, mmHg | 140(120 – 162) | 143(119– 162 ) | 138 (117– 157) | 0.203 | 142 (120 – 167 ) | 144 (123 – 174) | 139(118 – 162 ) | 0.20 |
| Diastolic BP, mmHg | 83 ( 71 – 97 ) | 78 ( 66 – 92 ) | 72 ( 60 – 84 ) | <0.001 | 76 ( 63 – 90 ) | 75 ( 62 – 89 ) | 69 ( 56 – 83 ) | <0.001 |
| BMI (kg/m2) | 28.9 (25.8–32.5) | 27.8(24.4–31.1) | 25.8 (23.1–28.3) | <0.001 | 28.3(24. 9–32.9) | 28.9(23.4–32.6) | 25.4(22.3– 28.9) | <0.001 |
| Laboratory findings on admission, median (IQR) | ||||||||
| Cholesterol (mg/dl) | 179(154 –208 ) | 158(137– 193 ) | 152(126 – 180) | <0.001 | 180(157 – 216 ) | 164(136 –201 ) | 168(142– 201) | <0.001 |
| LDL (mg/dl) | 115( 89 – 140) | 96 ( 74 – 119 ) | 91 ( 67 – 116 ) | <0.001 | 106(83.5 – 134 ) | 96 ( 70 – 128 ) | 98 (75 – 127 ) | <0.001 |
| Glucose (mg/dl) | 130 (112 – 170 ) | 157(117– 214 ) | 150(119 – 207 ) | <0.001 | 149(113 – 219 ) | 167(125 – 242 ) | 153 (122 – 212 ) | <0.001 |
| Creatinine (mg/dl) | 1.1 ( 0.9 – 1.2 ) | 1.2 ( 1.0 – 1.5 ) | 1.4 ( 1.1 – 1.8 ) | <0.001 | 0.9 ( 0.8 – 1.2 ) | 1.1 ( 0.9 – 1.3 ) | 1.2 ( 1.0 – 1.6 ) | <0.001 |
| Length of stay (day), median | ||||||||
| (IQR) | 3.0(2.0 – 4.0 ) | 4.0 (3.0 – 7.0 ) | 4.0( 3.0 – 7.0) | <0.001 | 4.0 ( 2.5 – 5.0 ) | 5.0 ( 3.0 – 8.0 ) | 5.0 ( 3.0 – 7.0 ) | <0.001 |
IQR: inter-quartile range; BP, blood pressure; BMI, body mass index; EF, LDL, low-density lipoprotein cholesterol