TABLE 2.

The apnea-hypopnea index (AHI) in subjects diagnosed using polysomnography and the PSS-AL monitor

SDB according to the type of sleep study	Polysomnography	Manual PSS-AL	Automated PSS-AL
AHI <1.5 events/h	18 (51)	4 (11)	1 (3)
Mild S'B (AHI ≥ 1.5 events/h to <5 events/h)	12 (34)	8 (23)	8 (23)
Moderate S'B (AHI ≥ 5 events/h to <10 events/h)	1 (4)	12 (34)	12 (34)
Severe S'B (AHI ≥ 10 events/h)	4 (11)	11 (32)	14 (40)

Data presented as n (%). PSS Portable sleep study; PSS-AL Portable sleep study-ApneaLink (ResMed, USA); SDB Sleep disordered breathing