Table 5.
BMI vs AHI in literature.
| Study/First Author, Year | Number of Articles and Article Type | Sample Size | Decrease in Weight | Decrease in AHI |
|---|---|---|---|---|
| Iowa City VA (current study) | 1 | 428 | 1 BMI | 6–7% |
| Stelmach-Mardas,10 2021 (this review includes Kuna’s study) | 10, Surgical intervention | 1,070 | 1 BMI | 2.83 |
| Kuna,14 2021 | 1, 10-Year follow-up | 134 | 1 kg | 0.54 and 0.68 in each intervention group |
| Lins-Filho,20 2021 (includes Kline’s study) | 12, Exercise intervention | 596 | 0.55 BMI | 8.06 |
| Kline,15 2018 | 1, Nonsurgical intervention | 114 | 5% Weight | 2.1 ± 0.9 |
| Quintas-Neves,19 2016 (includes all Greenburg articles) | 22, Surgical intervention | 1,669 | Average 30.5% | 65% |
| Greenburg,18 2009 | 12, Surgical intervention | 342 | 17.9 BMI (95% CI: 55.3–37.7) | 38.2 (95% CI: 31.9–44.4) |
| Ashrafian,16 2015 | 19, Surgical intervention | 525 | 14 BMI | 29 |
| Ashrafian,16 2015 | 20, Nonsurgical intervention | 825 | 3.1 BMI | 11 |
| Romero-Corral,4 2010 | n/a, Review | n/a | 15 BMI | 36 |
| Tuomilehto,17 2009 | 1, Nonsurgical intervention | 72 | Weight loss: 10.7 ± 6.5 kg; BMI: 3.5 ± 2.1 | 4 |
AHI = apnea-hypopnea index, BMI = body mass index, CI = confidence interval, VA = Veterans Affairs, n/a = not applicable.