Comparison of included and excluded samples for patients with a full-night diagnostic sleep study.

aThe differences between groups considered as clinically important as indicated by a systematic review [7] and expert opinion.AHIO, total and obstructive apnea-hypopnea index; ArI, total arousals index; AWK, total number of awakenings; bpm, beats per minute; CABG, coronary artery bypass graft surgery; ESS, Epworth Sleepiness Scale; TST90SaO2, sleep time spent with SaO2 less than 90%.