Table 3. Minimally invasive surgery in OSA.
| Procedure | No of studies | No (patients) | ESS pre | ESS post | AHI pre | AHI post | Success (%) | EBM |
| IRFT soft palate | 3 [e56–e58] | 61 | 20.2 | 12.8 | 47.5 | B | ||
| Implant soft palate | 8 [e59–e66] | 248 | 10.6 | 7.4 | 20.3 | 17.3 | 30.4 | B |
| Resection | 18 [e58, e67–e83] | 576 | 10.2 | 7.5 | 25.6 | 19.4 | 42.4 | B |
| IRFT base of tongue | 6 [e84–e84] | 133 | 10.3 | 6.1 | 37.3 | 25.8 | 33.2 | B |
| Combined therapies | 5 [e90–e94] | 203 | 10.2 | 7.3 | 24.7 | 16 | 45.7 | B |
ESS, Epworth sleepiness scale; pre, preoperatively; post, postoperatively; AHI, Apnea-hypopnea index; EBM, level of recommendation according to evidence based medicine; IRFT, interstitial radiofrequency therapy