. Author manuscript; available in PMC: 2015 Jun 5.

Published in final edited form as: Nat Rev Endocrinol. 2009 May;5(5):253–261. doi: 10.1038/nrendo.2009.23

Table 3.

Effect of CPAP on leptin/ghrelin levels and weight

Outcome measure	Positive effect reported	No effect reported
*Decrease in leptin level*
Total number of studies	6^{59,60,63,68,70,71}	2^72,73
Total number of patients	183	127
*Decrease in ghrelin level*
Total number of studies	2^68,74	NA
Total number of patients	51	NA
*Decreased body weight or visceral adiposity*
Total number of studies	3^63,70,75	3^65,76,77
Total number of patients	83	230

Abbreviations: CPAP, continuous positive airway pressure; NA, no data available.