[Epidemiological studies of sleep apnea-hypopnea syndrome: a questionnaire survey of Taiyuan].
OBJECTIVE
To obtain the epidemiological data of sleep apnea-hypopnea sydrome (SAHS) in Taiyuan.


METHODS
A questionnaire survey was performed in 6 028 people living in Taiyuan. The prevalence of SAHS was estimated by a two-stage procedure. In the first stage, stratified cluster disproportional random sampling survey was performed in Taiyuan. 6 028 questionnaires were send to random sample of defined population in the 4 sites selected from 2 districts. The response rate was 85.11%. During the second stage 476 of those highly suspected of having SAHS (ESS >/= 9) underwent all-night polysomnographic (PSG) studies.


RESULTS
From the study population, 179 were diagnosed as having SAHS. The overall prevalence was 3.5% (male 4.7% and female 1.9%).


CONCLUSIONS
The prevalence of SAHS was 3.5% among Taiyuan.
Wang
Bei
B
Department of Respiratory Medicine, Second Affiliated Hospital, Shanxi Medical University, Taiyuan 030001, China.
Xing
Jing-Cai
JC
Han
Chang-Xu
CX
Wang
Chong-Gang
CG
Liu
Zhuo-la
ZL
Zhang
He-Hua
HH
Song
Man-Jing
MJ
Zhang
Yong-Xing
YX
Hou
Zi-Juan
ZJ
Duan
Shi-Ju
SJ
D000293:Adolescent; D000328:Adult; D002648:Child; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D017286:Polysomnography; D015995:Prevalence; D012307:Risk Factors; D012494:Sampling Studies; D012891:Sleep Apnea Syndromes / Q000453:epidemiology* / Q000209:etiology; D012913:Snoring / Q000453:epidemiology / Q000209:etiology; D011795:Surveys and Questionnaires