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Table 1 Sample data of 60 tests performed by two groups

From: Effect of averaging time and respiratory pause time on the measurement of acoustic respiration rate monitoring

Apnea test

Averaging time

Number of detections of 0 breaths/min within 60 s

Respiratory pause time: 20 s

10 s

54/60

30 s

54/60

Respiratory pause time: 40 s

10 s

13/60

30 s

16/60

  1. Each group had 20 subjects and each subject performed the test three times