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Table 5 Results (average value ± SD) of the calibration with the standard method and proposed method with N values of 8 and 16 using the subject-independent model

From: Reducing the airflow waveform distortions from breathing style and body position with improved calibration of respiratory effort belts

Breathing Method R2 Relative RMSE [%] Relative volume error [%]
Free SM 0.694 ± 0.152 53.8 ± 13.5 14.7 ± 40.8
PM(N=8) 0.890 ± 0.065 31.8 ± 10.0 -6.5 ± 21.9
PM(N=16) 0.900 ± 0.056 30.3 ± 9.2 -0.3 ± 23.2
Controlled SM -0.259 ± 0.768 107.2 ± 35.1 99.5 ± 51.3
PM(N=8) 0.894 ± 0.061 31.4 ± 9.2 -0.2 ± 24.0
PM(N=16) 0.889 ± 0.055 32.4 ± 8.2 -1.2 ± 24.7