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. 2020 Jun 10;21(1):70. doi: 10.1186/s10194-020-01140-3

Table 5.

Possible trigger factors in patients with and without sentinel headache during 1 week before 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