[Study on the prevalence of snoring and obstructive sleep apnea-hypopnea syndrome in Guangxi, China].
OBJECTIVE
To study the prevalence of snoring and obstructive sleep apnea-hypopnea syndrome (OSAHS) and its high risk factors in Guangxi Zhuang Autonomous Region.


METHODS
From January 2003 to March 2005, a total number of 11,163 persons aged > or =14 years Zhuang minority living in Guangxi (from Guinan, Guizhong and Guibei) were surveyed. Questionnaire was administered to draw information. Polysomnography(PSG) and in-home polygraphy were performed on participants being studied and who had reported snoring.


RESULTS
Among all the surveyed people, 2940reported snoring with a prevalence of 27.3%. 448 (320 males and 128 females) people reported OSAHS with prevalence as 4.3% (5.9% in males and 2.5% in females). From 14 to 60 year olds, the prevalence of snoring and OSAHS increased with age. Among those above 60 years of age, both the prevalencerates ofsnoring and OSAHS werereduced with age. Among all the study population, 260 (21.6%) had habitual OSAHS a nd 188 (10.8%) hadoccasional OSAHS. The high risk factors of OSAHS were: position during sleep, disease of nose, drinking alcohol, smoking, gender, body mass index (BMI) and age.


CONCLUSIONS
The prevalence rates of snoring and OSAHS were 27.3% and 4.3% respectively. From 14 to 60 years of age, the prevalence rates of snoring and OSAHS were increasing with age while from 60 years of age on, the prevalence of snoring and OSAHS reduced with age. The prevalence rates of snoring and OSAHS in males were higher than females. The high risk factors of OSAHS were position during sleep,disease of nose, drinking, smoking,gender, BMI and age.
Liu
Jian-hong
JH
Sleep Disordered Breathing Center of Guangxi, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China. liu9905@sohu.com
Wei
Cai-zhou
CZ
Huang
Lu-ying
LY
Wang
Wu
W
Lei
Zhi-jian
ZJ
Liang
Da-hua
DH
Wang
Feng
F
Wang
Xiao-yuan
XY
Liu
Kai
K
Hou
Xiu-juan
XJ
Tang
Xiao-jun
XJ
D000293:Adolescent; D000328:Adult; D000368:Aged; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D012307:Risk Factors; D020181:Sleep Apnea, Obstructive / Q000453:epidemiology*; D012913:Snoring / Q000453:epidemiology*