Table 1. Analysis of risk factors for stroke.
| Variable | Urban group | Intermediate group | Rural group | Relative difference + |
|---|---|---|---|---|
| (N, %) | % | |||
| Arterial hypertension* | 21058 (80.5) | 15405 (78.4) | 26904 (78.7) | 2.29 |
| Diabetes* | 7158 (27.4) | 4778 (24.3) | 7956 (23.3) | 17.60 |
| Prior strokes* | 6780 (25.9) | 4344 (22.1) | 7368 (21.6) | 19.91 |
| Prior heart attacks* | 2886 (11) | 1751 (8.9) | 2692 (7.9) | 39.24 |
| Hypercholesterolemia* | 15290 (58.4) | 10325 (52.5) | 18098 (52.9) | 10.40 |
| Atrial fibrillation | 6969 (26.6) | 5105 (26) | 9222 (27) | - |
| Other cardiac disease | 5851 (22.4) | 4167 (21.2) | 7646 (22.4) | - |
| Peripheral artery disease* | 2132 (8.1) | 1281 (6.5) | 2149 (6.3) | 28.57 |
| Smoking* | 6200 (23.7) | 3248 (16.5) | 4869 (14.2) | 66.90 |
| Regular alcohol consumption* | 2395 (9.2) | 1398 (7.1) | 2374 (6.9) | 33.33 |
| Acute alcohol intoxication | 131 (0.5) | 104 (0.5) | 162 (0.5) | - |
+ Relative difference: between urban and rural group in %
* Level of significance at least p<0.001