Table 5 Possible trigger factors in patients with and without sentinel headache during 1 week before stroke
From: Sentinel headache as a warning symptom of ischemic stroke
| Possible trigger factors | Patients with sentinel headache before stroke (n = 81) | Patients without sentinel headache before stroke (n = 469) | Р, OR, 95% CI |
|---|---|---|---|
| Аlcohol consumption | 15 (18.5%) | 77 (16.4%) | 0.6 |
| Increased physical activity | 17 (20.9%) | 69 (14.7%) | 0.2 |
| Psychological stress | 17 (20.9%) | 112 (23.9%) | 0.7 |
| Overwork | 17 (20.9%) | 100 (21.3%) | 0.9 |
| Lack of sleep | 12 (14.8%) | 83 (17.7%) | 0.6 |
| Hypertonic crisis | 48 (59.2%) | 297 (63.3%) | 0.6 |
| Attack of arrhythmia | 11 (13.6%) | 30 (6.4%) | 0.04 , 2.3; (1.1–4.8) |
| Overheating | 4 (4.9%) | 23 (4.9%) | 0.8 |
| Clinical infection | 2 (2.5%) | 27 (5.8%) | 0.3 |
