General characteristics of cases with brain infarction and controls
| . | Cases (N = 456) . | Controls (N = 456) . |
|---|---|---|
| Age (median; range) | 69; 20-85 | 68; 20-89 |
| Male sex, % (n) | 61.6 (281/456) | 61.6 (281/456) |
| History of hypertension, % (n) | 52.4 (238/454) | 36.4 (165/453)* |
| History of diabetes mellitus, % (n) | 18.9 (86/454) | 11.8 (54/456)* |
| Total cholesterol, g/L (SD) | 2.02 (0.43) | 1.83 (0.43)* |
| Smoking, % (n) | ||
| Never smokers | 42.0 (191/455) | 46.5 (212/456) |
| Ex-smokers | 29.5 (134/455) | 32.9 (150/456) |
| Current smokers | 28.6 (130/455) | 20.6 (94/456)† |
| Cardiovascular history, % (n)‡ | 21.7 (98/452) | 11.7 (53/453)* |
| Stroke history, % (n) | 20.6 (94/456) | — |
| . | Cases (N = 456) . | Controls (N = 456) . |
|---|---|---|
| Age (median; range) | 69; 20-85 | 68; 20-89 |
| Male sex, % (n) | 61.6 (281/456) | 61.6 (281/456) |
| History of hypertension, % (n) | 52.4 (238/454) | 36.4 (165/453)* |
| History of diabetes mellitus, % (n) | 18.9 (86/454) | 11.8 (54/456)* |
| Total cholesterol, g/L (SD) | 2.02 (0.43) | 1.83 (0.43)* |
| Smoking, % (n) | ||
| Never smokers | 42.0 (191/455) | 46.5 (212/456) |
| Ex-smokers | 29.5 (134/455) | 32.9 (150/456) |
| Current smokers | 28.6 (130/455) | 20.6 (94/456)† |
| Cardiovascular history, % (n)‡ | 21.7 (98/452) | 11.7 (53/453)* |
| Stroke history, % (n) | 20.6 (94/456) | — |
Proportions were compared using chi-square analysis. Means were compared with the Student t test and medians were compared with Wilcoxon test.
P < .001 for the comparison between cases and controls.
P < .01 for the comparison between cases and controls.
Including myocardial infarction, coronary angioplasty, by-pass surgery, and lower-limb arteritis.