Table 4.

Univariate comparisons of AHI among categorical variables by Mann–Whitney U test

	Median AHI (IQR)	P
Gender
male	8.45 (4.48 to 18.7)
female	6.05 (2.23 to 16.0)	0.2
Diabetes mellitus
yes	13.4 (5.60 to 23.9)
no	6.50 (3.15 to 15.6)	0.02
Pre-existing CVD
yes	12.8 (4.60 to 22.4)
no	7.10 (3.05 to 15.6)	0.08

IQR, interquartile range.