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Generic and specific quality-of-life measures in Taiwanese adults with sleep-disordered breathing
Pa-Chun Wang1, Hsueh-Yu Li, Tung-Sheng Shih
1Department of Otolaryngology, Cathay General Hospital, Taipei, Taiwan. drtony@tpts4.seed.net.tw
Objective:
To investigate the quality-of-life status of Taiwanese adult patients with sleep-disordered breathing (SDB).
Study Design And Setting:
A prospective, quality-of-life survey in a tertiary referral sleep center on 94 consecutive adult SDB patients. Patients were evaluated with polysomnogram, Medical Outcome Study SF-36 Health Survey, Snore Outcome Survey (SOS), and Epworth Sleepiness Scale (ESS).
Results:
SDB patients have significantly lower scores in all 8 SF-36 subscales (P < 0.05) than do normative Taiwan adult population. Apnea patients have lower SOS (34.5 +/- 7.5 vs 40.1 +/- 10.3, P = 0.005) and higher ESS scores than do simple snorers (8.8 +/- 5.1 vs 11.7 +/- 5.2, P = 0.03). Patients with a higher degree of sleepiness show worse performance in all dimensions of their general health status (P values 0.0005 to 0.01). Deep sleep (stage 3 + 4) is predictive of SF-36 role: physical (beta = 1.63, P = 0.04), bodily pain (beta = 1.22, P = 0.01), vitality (beta = 1.05, P = 0.01), subscales scores (adjusted R(2) 0.005 to 0.1).
Conclusion:
SDB has considerable impact on a patient's global health status.
Significance:
Daytime sleepiness, rather than apnea, is a major quality-of-life determinant.
Ebm Rating:
B-2b.
