Benign Paroxysmal Positional Vertigo and the Increased Risk of Ischemic Stroke: A Nested Case-Control Study Using a National Cohort Sample
Table 3
Subgroup analyses of crude and adjusted odds ratios (95% confidence interval) of stroke for BPPV according to age and sex.
Characteristics
BPPV
Crude†
value
Adjusted†‡
value
years old, men ()
Ischemic stroke
1.34 (1.04-1.73)
0.026
1.29 (0.99-1.67)
0.057
Control I
1.00
1.00
years old, women ()
Ischemic stroke
1.87 (1.51-2.31)
<0.001
1.83 (1.47-2.26)
<0.001
Control I
1.00
1.00
years old, men ()
Ischemic stroke
1.15 (0.92-1.44)
0.227
1.15 (0.92-1.44)
0.222
Control I
1.00
1.00
years old, women ()
Ischemic stroke
1.28 (1.11-1.48)
<0.001
1.29 (1.11-1.49)
<0.001
Control I
1.00
1.00
years old, men ()
Hemorrhagic stroke
1.13 (0.64-1.97)
0. 679
1.13 (0.64-1.99)
0.672
Control II
1.00
1.00
years old, women ()
Hemorrhagic stroke
0.85 (0.56-1.29)
0.443
0.91 (0.60-1.38)
0.660
Control II
1.00
1.00
years old, men ()
Hemorrhagic stroke
1.20 (0.75-1.94)
0.445
1.24 (0.77-2.00)
0.383
Control II
1.00
1.00
years old, women ()
Hemorrhagic stroke
1.27 (0.95-1.68)
0.108
1.34 (1.00-1.79)
0.048
Control II
1.00
1.00
Conditional logistic regression analyses, significance at .†Stratified for age, sex, income, region of residence, hypertension, diabetes, and dyslipidemia. ‡Adjusted model for chronic obstructive pulmonary disease, ischemic heart disease, peripheral vascular disease, atrial fibrillation and flutter, and depression.