Table 4. Comparison between adherent and non-adherent patients to positive airway pressure

Character	Non-adherent group(n=125)	Adherent group(n=43)	p-value*
Sex
Male	109 (87.2)	33 (76.7)	0.102†
Female	16 (12.8)	10 (23.2)
BMI	28.5±5.8	28.5±3.8	0.324‡
Age	52.1±12.8	48.8±14.5	0.289‡
AHI	56.1±30.8	48.6±35.8	0.980‡
Diabetic mellitus	10 (8)	6 (13.9)	0.251†
Hypertension	42 (33.6)	16 (37.2)	0.668†
Hyperlipidemia	8 (6.4)	0 (0)	0.089†
CVD	12 (9.6)	4 (9.3)	0.954†
CVA	0 (0)	3 (6.9)	0.000*
ESS	9.0±4.1	8.8±4.7	0.456‡
Total sleep time (min)	325.1±81.0	326.8±87.5	0.953‡
NREM sleep (%)	81.0±10.0	82.9±7.3	0.571‡
Sleep latency (min)	7.8±8.8	9.9±8.6	0.486‡
Sleep efficiency (min)	81.8±13.2	78.3±15.2	0.034*
Arousal index (/hr)	55.4±26.0	57.0±32.6	0.311‡
Minimal saturation (%)	76.2±10.5	74.9±9.58	0.979‡
Longest apnea (sec)	51.8±26.4	50.8±22.8	0.330‡
PLMI (/hr)	0.72±2.42	2.4±7.9	0.000*

Values are presented as mean±SD or n (%).
p<0.05,
Chi-square test,
Independent t-test.
BMI: body mass index, AHI: apnea-hypopnea index, CVD: cardiovascular disease, CVA: cerebrovascular accident, ESS: Epworth sleepinesss scale, NREM: non-rapid eye movement, PLMI: periodic limbic movement index.