Table 3.
General characteristics and quality criteria.
| Quality Assessment | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Study Design | Outcomes analyzed | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Vale et al.12 Prospective case control. | AHI, MSAT | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Borgström19 Prospective case control | AHI, MSAT | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Fransson, Kowalczyk and Isacsson20 retrospective case control | AHI | No | Yes | No | Yes | Yes | Yes | Yes | No |
| Detailleur et al.16 Retrospective case control | AHI, MSAT | No | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Ng et al.17 Prospective case control | AHI | No | Yes | Yes | Yes | Yes | No | Yes | Yes |
| Melo et al.10 retrospective case control | AHI, MSAT | No | Yes | Yes | Yes | Yes | Yes | Yes | No |