Methods Routine lung function and impulse oscillometry(IOS) were performed on 24 OSAHS patients(OSAHS group) and 12 normal subjects(control group).

方法对2 4例OSAHS患者（OSAHS组）和12名正常人（对照组）进行常规肺功能及脉冲强迫振荡（IOS）检测。

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The two groups were followed up for 3 years with accepted examination of blood routine, blood gas analysis and lung function per 6 months.

对两组病人进行连续3年随访，每半年复查血常规、血气分析、肺功能。

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