Daily Variation in the Occurrence of Different Subtypes of Stroke
Table 4
Multivariate logistic regression among demographic variables and risk factors (both independent variables) with daytime onset in different stroke subtypes. 8–11 versus all other periods (dependent variable).
Hemorrhagic
CE
AT
CRY
LA
OR 95% CI
Age
0.99
1.00
1.02
1.01
0.99
0.97–1.02
0.96–1.03
0.98–1.06
0.99–1.02
0.98–1.02
Sex (M versus F)
0.81
0.93
2.66
1.09
0.92
0.48–1.35
0.59–1.47
1.30–5.44
0.72–1.65
0.58–1.46
Previous stroke
0.15
1.13
0.45
1.28
1.38
0.04–0.50
0.60–2.13
0.18–1.16
0.70–2.32
0.76–2.52
Hypertension
0.80
0.88
1.92
0.82
2.25
0.47–1.35
0.57–1.37
0.97–3.80
0.53–1.26
1.30–3.88
Diabetes mellitus
1.78
1.11
1.10
1.03
0.93
0.96–3.30
0.66–1.87
0.52–2.32
0.64–1.65
0.59–1.47
Previous myocardial infarction
0.69
0.56
0.84
0.96
0.93
0.26–1.82
0.29–1.11
0.31–2.29
0.52–1.79
0.59–1.47
Hypercholesterolemia
1.39
1.07
0.75
1.35
0.90
0.76–2.55
0.62–1.84
0.36–1.57
0.85–2.14
0.55–1.46
Permanent atrial fibrillation
1.42
1.37
0.11
0.69
2.48
0.60–3.37
0.84–2.20
0.01–1.32
0.24–2.03
0.91–6.77
Paroxysmal atrial fibrillation
0.54
1.15
NE
0.18
0.93
0.10–2.85
0.66–2.01
0.02–1.42
0.31–2.75
Prestroke mRS
1.12
1.28
2.15
1.28
0.86
0.64–1.95
0.77–2.13
0.94–4.92
0.79–2.08
0.53–1.41
Admission NIHSS
1.01
1.01
0.98
0.96
1.03
0.99–4.99
0.99–1.04
0.01–3.05
0.94–0.99
0.97–1.08
NE = not estimable for lack of cases in at least one condition. mRS = modified Ranking Score; NIHHS = National Institute of Health Stroke Scale. AT = large artery atherosclerotic stroke; CE = cardioembolic stroke; CRY = cryptogenic stroke; LA = lacunar stroke.
