TABLE 2

Factors associated with baseline apnoea–hypopnoea index (ANCOVA)

	Coefficient	Standard error	p-value
Intercept	−40.99	16.29	0.013
Age years	0.43	0.16	<0.001
Sex male	2.86	3.35	0.39
BMI kg·m⁻²	0.99	0.34	0.005
Admission NIHSS	0.24	0.30	0.44
Arteriole hypertension	3.96	3.22	0.22
Smoking >10 years	4.94	3.15	0.12
Time spent in supine position %	0.08	0.05	0.11
Time in bed h	0.21	0.93	0.83
Atrial fibrillation	−1.32	4.92	0.79
Stroke on awakening or during sleep	0.69	3.19	0.83
diabetes mellitus	2.14	4.26	0.61
*TOAST: large artery versus* cardioembolic**	−0.523	5.65	0.93
*TOAST: other/unknown versus* cardioembolic**	−4.37	3.91	0.27

BMI: body mass index; NIHSS: National Institutes of Health stroke scale. Multiple R²=0.27, p<0.001 (F statistic 3.727 on 13 and 131 degrees of freedom).