Randomised sham-controlled studies examining the effect of CPAP on visceral abdominal fat (VAF)
| n | ||||||||
|---|---|---|---|---|---|---|---|---|
| M | F | Design | AHI | BMI | Duration (weeks) | CPAP effect on VAF | CPAP effect on BMI | |
| Hoyos et al 3 | 65 | 0 | Parallel | 40 | 31 | 12 | −0.06 (−0.58 to 0.70) p=0.85 | 0.07 (−0.11 to 0.26) p=0.79 |
| Sharma et al 2 | 77 | 9 | Cross-over | 50 | 33 | 12 | −0.20 (−0.37 to −0.06)* p=0.01 | −0.06 (−0.1 to −0.01)* p<0.001 |
| Sivam et al 6 | 26 | 1 | Cross-over | 57 | 31 | 8 | −0.03 (−0.15 to 0.08) p=0.59 | 0.07 (−0.05 to 0.05) p=0.32 |
| Kritikou et al 7 | 22 | 20 | Cross-over | 42 | 27 | 8 | 0.14 (−0.09 to 0.37) p=0.25 | 0.07 (−0.24 to 0.38) p=0.67 |
| 32 | 30 | 0.08 (−0.28 to 0.45) p=0.66 | 0.18 (−0.07 to 0.43) p=0.17 | |||||
Data are calculated standardised effect sizes (95% CI) after treatment, unless otherwise stated.
*Values are adjusted for baseline.
M, Male; F, Female; AHI, Apnea Hypopnea Index; BMI, body mass index.