Indication of CPAP in Patients with Suspected Obstructive Sleep Apnea, Based on Clinical Parameters and a Novel Two-Channel Recording Device (ApneaLink): A Pilot Study

Table 4

Characteristics of false negative patients.

	False negative	True positive	𝑃
Number	3	29
Total sleep time	253.4 ± 11.8	329.2 ± 29	0.0003
Sleep efficiency	0.70 ± 0.06	0.90 ± 0.08	0.013
RDI	15.3 ± 7.1	35.7 ± 25.7	0.009
RERAs index	4.5 ± 4.2	0.98 ± 2	0.012

∗Values are expressed as mean ± SD. RERAs index: respiratory-effort-related arousals index.