Table 5 RE-epoch detection performance in the hold-out set with and without the low rPPG quality recordings.

From: Wearable monitoring of sleep-disordered breathing: estimation of the apnea–hypopnea index using wrist-worn reflective photoplethysmography

Recordings

Respiratory event

Number of RE-epochs (% with respect to total RE-epochs)

Sensitivity (%)

All

Hypopnea

23371 (78)

34

Obstructive apnea

2315 (8)

61

Mixed apnea

1251 (4)

84

Central apnea

1222 (4)

40

Low rPPG quality recordings excluded

Hypopnea

16909 (82)

37

Obstructive apnea

1544 (7)

60

Mixed apnea

382 (2)

78

Central apnea

572 (3)

60

  1. The performance is for the overall number of epochs contributing to the AHI (i.e. not Wake and epochs with less than 80% undefined features).
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