Tidal Volume Level Estimation Using Respiratory Sounds

Table 4

Algorithm accuracy on data with different characteristics.

Apnea severity	Patient number	Data length (hour)	Data characteristic	Algorithm accuracy (%)
Mild	1	2	Mild apnea, no simple snoring	88.3
Moderate	3	6	Moderate apnea, little simple snoring	85.8
Severe	2	4	Severe apnea, little simple snoring, containing ambient noise	83.3