Influence of Body Position on Severity of Obstructive Sleep Apnea: A Systematic Review
Table 1
The brief summary of the articles reviewed.
Author
Year
Sample size
Mean age
Mean RDI supine
Mean RDI prone
Mean RDI lateral
Findings
Richard
2006
120
50
34
15
Supine worse than nonsup
Pereira
2005
60
3
18
7
Supine worse than nonsup
Mador (REM)
2005
269
55
39
7
Supine worse than nonsup
Cuhadaroglu
2003
55
5
9
6
15
Prone better than nonprone
Akita
2003
372
47
Lateral better than supine
Fernandes do Prado
2002
80
5
7
12
8
Prone worse than nonprone
Matsuzawa
1995
1
45
78
0
63
Prone better than nonprone
Cartwright (NREM)
1991
60
50
61
12
Supine worse than nonsup
(REM)
60
50
80
32
Supine worse than nonsup
Miki
1988
7
51
28
Supine worse than nonsup
George
1988
7
45
84
74
Supine worse than nonsup
Chaudhary
1986
4
47
33
5
Supine worse than nonsup
Kavey
1985
4
52
*
Supine worse than nonsup
Cartwright
1984
30
64
38
Supine 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.