Table 1.

Patient characteristics.

Baseline Characteristics	Nonadherent to CPAP (n = 28)	Adherent to CPAP (n = 25)	P Value
Age, years, mean (SD)	62.7 (11.5)	59.5 (12.8)	.35
Sex, n (%)			1.0
Female	13 (46%)	12 (48%)
Male	15 (54%)	13 (52%)
BMI, mean (SD)	34.8 (8.3)	35.3 (8.0)	.81
AHI, mean (SD)	30.8 (23.5)	44.9 (34.0)	.09
Influenza type, n (%)			.44
A	20 (71%)	21 (84%)
B	4 (14%)	4 (16%)
A&B	2 (7%)	0
Unknown	2 (7%)	0
Tamiflu as treatment, n (%)			.49
Did not receive	4 (14%)	6 (24%)
Received	24 (86%)	19 (76%)
Influenza vaccine (administered prior to the season), n (%)			.28
No recorded vaccine administration	4 (14%)	8 (32%)
Received	21 (75%)	14 (56%)
Unknown	3 (11%)	3 (12%)

AHI = apnea-hypopnea index, BMI = body mass index, SD = standard deviation.