Table 3.2Duration of hospital stay (hr) in comparative studies of preoperative PSG testing

Study
PMID
Baseline AHI (SD) [eligibility]Baseline ESS (SD)Duration (design)InterventionsNo. AnalyzedBaseline (SD)Final (SD)Diff95% CIP BtwDropout, %Study Quality
Hallowell, 2007110
17950355
ndndImmediate postoperative (retrospective chart review)Mandatory PSG318nd74.4 (2.4)−9.6ndnd0C
PSG only after clinical indications576nd84.0 (4.8)
Chung, 200897
18431117
20 (6) [nd]nd30 d (prospective case series)Accepted preoperative PSG211ndMedian 44.8 (IQR: 0.2–352.8)+15.5 (difference of medians)ndNS0C
Refused preoperative PSG205ndMedian 29.3 (IQR: 0.1–299.8)

From: Appendix D, Summary Tables

Cover of Diagnosis and Treatment of Obstructive Sleep Apnea in Adults
Diagnosis and Treatment of Obstructive Sleep Apnea in Adults [Internet].
Comparative Effectiveness Reviews, No. 32.
Balk EM, Moorthy D, Obadan NO, et al.

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