Skip to main content
. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Anesth Analg. 2017 Jan;124(1):179–191. doi: 10.1213/ANE.0000000000001546

Table 5. Differences Between REM-Related and Supine-Related OSA.

REM-Related OSA Supine-Related OSA
Females Males
Older in age Younger in age
Higher mean BMI Lower mean BMI
Genioglossal hyporesponsiveness Unfavorable airway geometry due to smaller craniofacial volume (midline obstruction such as thyroid, retroglossal thyroid, or tonsillar enlargement needs to be excluded)
Reduced lung volume

Abbreviations: BMI, body mass index; OSA, obstructive sleep apnea; REM, rapid eye movement.