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. 2019 Dec 18;9:19392. doi: 10.1038/s41598-019-55958-2

Table 3.

Intra-class correlation coefficients (95% confidence interval) for total sleep time, sleep efficiency and apnea/hypopnea index.

WP versus RPSGT#1 p WP versus RPSGT#2 p RPSGT#2 versus RPSGT#1 p
TST 0.488(−0.311–0.814) 0.087 0.497(−0.254–0.815) 0.074 0.997(0.991–0.999) 0.000
SE 0.375(−0.626–0.774) 0.174 0.414(−0.487–0.786) 0.138 0.997(0.993–0.999) 0.000
AHI 0.957(0.878–0.985) 0.000 0.954(0.872–0.984) 0.000 0.997(0.993–0.999) 0.000

N = 16. TST total sleep time, SE = sleep efficiency, AHI = apnea/hypopnea index, WP = WatchPAT, RPSGT#1 and RPSGT#2 = registered polysomnography technician number one and two, respectively.