Review Article

Influence of Body Position on Severity of Obstructive Sleep Apnea: A Systematic Review

Table 1

The brief summary of the articles reviewed.

AuthorYearSample sizeMean ageMean RDI supineMean RDI proneMean RDI lateralFindings

Richard2006120503415Supine worse than nonsup
Pereira2005603187Supine worse than nonsup
Mador (REM)200526955397Supine worse than nonsup
Cuhadaroglu20035559615Prone better than nonprone
Akita200337247Lateral better than supine
Fernandes do Prado20028057128Prone worse than nonprone
Matsuzawa199514578063Prone better than nonprone
Cartwright (NREM)199160506112Supine worse than nonsup
(REM)60508032Supine worse than nonsup
Miki198875128Supine worse than nonsup
George19887458474Supine worse than nonsup
Chaudhary1986447335Supine worse than nonsup
Kavey1985452*Supine worse than nonsup
Cartwright1984306438Supine worse than lateral

Mean age and RDI are rounded to nearest whole number. *Kavey et al. had data from two patients who slept in prone posture which is described in the results section.