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Fig. 3 | BioMedical Engineering OnLine

Fig. 3

From: Evaluation of the add-on NOWAPI® medical device for remote monitoring of compliance to Continuous Positive Airway Pressure and treatment efficacy in obstructive sleep apnea

Fig. 3

Comparison of overnight CPAP treatment duration (minutes)—Respiratory Polygraph vs NOWAPI® (PP data set, n = 20). Crosses represent the 16 patients with a perfect agreement in CPAP treatment duration measurement between NOWAPI® and polygraphy, all crosses being aligned on the 1:1 fit line. The circles represent the four outliers. Detailed NOWAPI® data files of patients #19 and 20 are presented in Fig. 4

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