Table 1. Study characteristics.
| |
OSA |
Control |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Study | Country | No. | Age | Male (%) | BMI | AHI | ESS | No. | Age | Male (%) | BMI | AHI | ESS | NOS |
| Kamba et al.37 | Japan | 23 | 48.5 ± 12.9 | 82.6 | (–) | (–) | (–) | 15 | 45.7 ± 17.6 | 46.7 | (–) | (–) | (–) | 5 |
| Alchanatis et al.35 | Greece | 22 | 49 ± 9.7 | 100 | (–) | 70.6 ± 19.4 | 8.2 ± 3.3 | 10 | 42.9 ± 10.5 | 100 | (–) | 3.4 ± 1.5 | (–) | 6 |
| Alchanatis et al.35 | Greece | 14 | 48 ± 10.1 | 100 | (–) | 70.1 ± 19.8 | 8.4 ± 2.5 | 10 | 42.9 ± 10.5 | 100 | (–) | 3.4 ± 1.5 | (–) | 6 |
| Bartlett et al.31 | Australia | 8 | 47.7 | 100 | 30.8 | (–) | (–) | 5 | 51.8 | (–) | 25.0 | (–) | (–) | 5 |
| Halbower et al.26 | America | 6 | 11.5 ± 3.5 | (–) | 30.0 ± 6.2 | 37.9 ± 8.0 | (–) | 6 | 11.0 ± 2.3 | (–) | 20.9 ± 4.9 | 0.4 ± 0.2 | (–) | 5 |
| Halbower et al.26 | America | 7 | 11.0 ± 3.1 | (–) | 29.4 ± 5.8 | 19.0 ± 9.9 | (–) | 6 | 11.0 ± 2.3 | (–) | 21.0 ± 4.8 | 0.2 ± 0.3 | (–) | 5 |
| Tonon et al.30 | Italy | 14 | 48 ± 7 | 100 | 32.3 ± 4.6 | (–) | 13 ± 2 | 10 | (–) | 100 | 25 ± 2 | (–) | (–) | 5 |
| Sarchielli et al.29 | Italy | 20 | 52.7 ± 11.0 | 65 | 26.4 ± 2.1 | 16.7 ± 15.0 | 11.7 ± 1.7 | 20 | 51.4 ± 13.2 | 70 | 22.1 ± 3.4 | 2.7 ± 0.3 | 4.4 ± 0.8 | 5 |
| Sharma et al.38 | India | 18 | 48.0 ± 8.8 | 66.7 | 30.0 ± 5.5 | 46.7 ± 29.8 | 12 ± 5.6 | 32 | 39.9 ± 10.2 | 65.6 | 27.2 ± 5.9 | 0.9 ± 1.3 | 5.5 ± 4.1 | 5 |
| Algin et al.33 | Turkey | 24 | 52 | 95.8 | (–) | 56 ± 8 | (–) | 9 | 48 | 66.7 | (–) | <5 | (–) | 5 |
| O’Donoghue et al.32 | Australia | 30 | 45.2 ± 9.6 | 100 | 33.3 ± 4.6 | 71.5 ± 16.2 | 12.9 ± 4.3 | 23 | 41.3 ± 9.3 | 100 | 25.6 ± 2.9 | 5.3 ± 3.9 | 5.2 ± 3.4 | 6 |
| Gharraf et al.36 | Egypt | 15 | 48.1 ± 6.9 | 73.3 | 47.3 ± 13.5 | 65.5 ± 20.3 | 17.7 ± 2.5 | 10 | 49.1 ± 7.6 | 70 | 26.2 ± 2.1 | 2.7 ± 1.2 | 3.4 ± 1.2 | 6 |
| Kizilgoz et al.34 | Turkey | 20 | 47.7 ± 11.6 | 75 | (–) | 29.3 ± 21 | (–) | 5 | 43.8 ± 2.6 | 20 | (–) | 4 ± 0.88 | (–) | 4 |
| Yadav et al.28 | America | 36 | 48 ± 9.3 | 77.8 | 30.6 ± 5.9 | 30.6 ± 5.9 | 9.9 ± 4.9 | 53 | 46.8 ± 8.1 | 60.4 | 24.7 ± 3.8 | (–) | 5.7 ± 3.3 | 5 |
| Macey et al.27 | America | 14 | 47.5 ± 10.5 | 64.2 | (–) | 29.5 ± 15.6 | (–) | 22 | 47.5 ± 10.1 | 50 | (–) | (–) | (–) | 4 |
Abbreviations: OSA, Obstructive sleep apnea; No., number of enrolled subjects; Male (%), percentage of male subjects; AHI, Apnea/Hypopnea Index; BMI, Body Mass Index; ESS, Epworth Sleepiness Score; NOS, Newcastle–Ottawa Scale.