. 2020 Aug 3;20(15):4323. doi: 10.3390/s20154323

Table 2.

Feature classes obtained via the relationship between λ_feature and ν_PSG.

Feature No.	Class A	Class B	Class C	Class D	Class E
Feature No.	λ_feature = ν_PSG	λ_feature = ν_PSG-1	λ_feature = ν_PSG-2	λ_feature = ν_PSG-3	λ_feature = ν_PSG-4
ECG	2 47	4 5 7 8 9 31 32 34 39 41 42 51 56 60 61	1 3 14 15 16 17 18 30 33 35 38 40 48 50 52	10 12 19 20 49 54 55 62	11 27 36 43 44 45 57 58 59
SaO₂	64 66	63 65
Airflow			68 69 70	67 71 75
Abdominal	77	76 78		79
Thoracic		83	84 86