Table 4.
Distribution of risk factors
| Patients without stroke recurrence (n=710) | Patients with single recurrent stroke (n=185) | Patients with multiple recurrent strokes (n=32) | P | OR with CI (95%) | |
|---|---|---|---|---|---|
| Atrial fibrillation | 183 (25.8) | 47 (25.4) | 11 (34.4) | NS | |
| Hypertension | 471 (66.3) | 136 (73.5) | 18 (56.3) | NS | |
| Coronary artery disease | 209 (29.4) | 68 (36.8) | 10 (31.3) | NS | |
| Congestive heart disease | 155 (21.8) | 59 (31.9) | 9 (28.1) | 0.004a | 1.68 (1.17-2.40) |
| Diabetes mellitus | 209 (29.4) | 73 (39.5) | 15 (46.9) | 0.009a 0.036b | 1.56 (1.12-2.19) 2.16 (1.04-4.31) |
| Hyperlipidemia | 301 (42.4) | 85 (45.9) | 16 (50.0) | NS | |
| Smoking | 252 (35.5) | 65 (35.1) | 14 (43.8) | NS | |
| Alcohol usage | 21 (3.0) | 6 (3.2) | 2 (6.3) | NS | |
| OSAS | 1 (0.1) | 0 | 0 | NS | |
| Patent foramen ovale | 11 (1.5) | 0 | 0 | NS |
aBetween without recurrence and single recurrence, bBetween without recurrence and multiple recurrences. Kruskal-Wallis test, post hoc analyses with Mann- Whitney test, and crosstabs test for OR and CI. NS: Not significant, OR: Odds ratio, CI: Confidence interval, OSAS: Obstructive sleep apnea syndrome