表 2.

年龄分组后PSG与低灵敏度条件下Actiwatch的相关睡眠参数比较

Comparison of related sleep parameters between PSG and Actiwatch (low sensitivity) after age grouping

Age group/years	Monitoring	TRT/min			TST/min			SE/%
		x±s	r		x±s	r		x±s	r
* P＜0.05, compared with the corresponding indicators of PSG. Abbreviations as in Table 1.
≤18	PSG	519.28±45.61			442.30±61.74			85.81±14.36
	Actiwatch	551.80±61.53	0.20		356.40±76.96*	0.92		65.54±7.10	0.77
19-40	PSG	448.12±39.68			396.54±68.21			81.37±13.50
	Actiwatch	517.27±45.56*	0.55		400.71±67.57*	0.67		77.53±12.07*	0.60
41-65	PSG	481.35±29.93			390.96±61.04			81.48±12.91
	Actiwatch	514.69±50.21	0.46		400.73±64.02*	0.47		78.02±11.54*	0.38
≥66	PSG	500.71±36.00			381.94±61.72			76.09±9.62
	Actiwatch	517.89±43.65	0.17		410.11±77.74	0.45		78.99±12.76	0.48