Table 2 Participants’ characteristics of included studies
Author | ADPN (Mean ± SD) | BMI (Mean ± SD), kg/m2 | Age (Mean ± SD), y | AHI (Mean ± SD) | ||||
|---|---|---|---|---|---|---|---|---|
OG | CG | OG | CG | OG | CG | O G | CG | |
Huang et al. [26] | 4.12 ± 2.49 | 7.74 ± 4.42 | 26.35 ± 2.60 | 26.02 ± 1.78 | 51.71 ± 12.37 | 56.37 ± 11.49 | 39.28 ± 22.80 | 3.67 ± 1.38 |
Zhang et al. [8] | 4.23 ± 2.04 | 7.52 ± 2.21 | 26.8 ± 2.5 | 25.6 ± 1.8 | 50.7 ± 12.9 | 49.6 ± 9.2 | 36.8 ± 21.4 | 2.4 ± 1.8 |
Wolk et al. [11] | 8.49 ± 4.69 | 6.32 ± 2.96 | 31 ± 5.10 | 31 ± 5.39 | 46 ± 5.10 | 46 ± 10.77 | 44 ± 20.40 | 3.0 ± 2.15 |
Sharma et al. [15] | 4959.3 ± 3212.9 | 5706 ± 3670.8 | 29.8 ± 3.3 | 29.1 ± 2.3 | 42.3 ± 8.3 | 43.3 ± 7.8 | 32.19 ± 9.94 | 1.35 ± 0.61 |
Ursavas et al. [16] | 7.7 ± 5.2 | 9.1 ± 6.6 | 32.5 ± 6.7 | 31.6 ± 7.0 | 51.1 ± 8.9 | 48.4 ± 11.6 | 43.5 ± 26.7 | 2.8 ± 1.5 |
Ebru et al.(mild) [16] | 7.35 ± 2.7 | 14.87 ± 6.17 | 27.6 ± 1.8 | 28.4 ± 2.45 | 48 ± 27 | 47 ± 39.19 | 8.0 ± 2.52 | 2.05 ± 1.32 |
Ebru et al.(mod-sev) [16] | 8.04 ± 6.55 | 14.87 ± 6.17 | 29.3 ± 4.12 | 28.4 ± 2.45 | 50 ± 27.11 | 47 ± 39.19 | 54.4 ± 66.79 | 2.05 ± 1.32 |
Öztürk et al.(mild) [18] | 3.5 ± 4.2 | 5.2 ± 5.2 | 32.1 ± 6.6 | 31.3 ± 5.6 | 48.8 ± 10.6 | 48.3 ± 10.8 | 9.0 ± 2.6 | 1.8 ± 1.4 |
Öztürk et al.(mod) [18] | 2.3 ± 1.2 | 5.2 ± 5.2 | 32.7 ± 5.8 | 31.3 ± 5.6 | 58.7 ± 8.6 | 48.3 ± 10.8 | 23.4 ± 4.6 | 1.8 ± 1.4 |
Öztürk et al.(sev) [18] | 2.7 ± 3.2 | 5.2 ± 5.2 | 34.0 ± 5.5 | 31.3 ± 5.6 | 50.0 ± 11.7 | 48.3 ± 10.8 | 61.6 ± 20.4 | 1.8 ± 1.4 |
Sánchez et al. [17] | 36.94 ± 21.42 | 29.47 ± 15.88 | 25.02 ± 1.22 | 24.71 ± 2.39 | 49.33 ± 10.71 | 42.9 ± 9.16 | 41.45 ± 18.3 | 2.87 ± 1.51 |
Kritikou et al.(male) [19] | 4.75 ± 2.41 | 4.89 ± 2.55 | 27.09 ± 2.60 | 26.60 ± 2.65 | 53.87 ± 6.76 | 52.39 ± 6.23 | 42.42 ± 22.51 | 3.03 ± 1.98 |
Kritikou et al.(female) [19] | 8.96 ± 5.48 | 11.63 ± 6.17 | 31.52 ± 1.54 | 30.36 ± 2.75 | 57.28 ± 6.00 | 54.21 ± 6.61 | 33.94 ± 18.78 | 1.69 ± 1.61 |
Hargens et al. [10] | 10.0 ± 2.77 | 13.9 ± 5.94 | 32.4 ± 3.46 | 31.6 ± 4.67 | 22.8 ± 2.77 | 22.5 ± 2.97 | 25.4 ± 18.71 | 2.2 ± 1.27 |
Mutairi et al.(mild) [20] | 10.53 ± 7.41 | 14.70 ± 13.01 | 43.3 ± 10.5 | 40.5 ± 11.9 | 49.1 ± 17.0 | 55.8 ± 16.3 | 10.3 ± 3.8 | 2.6 ± 1.6 |
Mutairi et al.(mod) [20] | 10.64 ± 8.36 | 14.70 ± 13.01 | 49.8 ± 13.9 | 40.5 ± 11.9 | 53.0 ± 16.3 | 55.8 ± 16.3 | 18.0 ± 6.9 | 2.6 ± 1.6 |
Mutairi et al.(sev) [20] | 8.87 ± 7.41 | 14.70 ± 13.01 | 44.4 ± 16.8 | 40.5 ± 11.9 | 50.0 ± 14.8 | 55.8 ± 16.3 | 48.9 ± 13.1 | 2.6 ± 1.6 |
Xu et al. [28] | 7.98 ± 3.74 | 13.43 ± 2.04 | – | – | 50.8 ± 11.7 | 51.3 ± 10.5 | 18.03 ± 5.10 | 2.14 ± 0.89 |
Wen et al. [27] | 6.13 ± 1.16 | 8.51 ± 3.84 | 27.4 ± 5.0 | 27 ± 4.6 | 48.5 ± 10.06 | 46 ± 10.4 | 41.3 ± 3.6 | 2.8 ± 0.4 |
Kim et al.(mod) [22] | 8.08 ± 1.66 | 8.90 ± 2.63 | 24.43 ± 2.45 | 23.88 ± 2.30 | 38 ± 15.04 | 26 ± 6.91 | 14.40 ± 4.07 | 1.25 ± 1.25 |
Kim et al.(sev) [22] | 6.88 ± 1.78 | 8.90 ± 2.63 | 28.69 ± 4.05 | 23.88 ± 2.30 | 42 ± 10.77 | 26 ± 6.91 | 52.71 ± 22.23 | 1.25 ± 1.25 |
Araújo et al. [21] | 5.38 ± 0.44 | 5.98 ± 0.82 | 34.39 ± 0.51 | 34.51 ± 0.66 | 39.60 ± 1.48 | 32.50 ± 2.09 | 20.16 ± 3.57 | 2.55 ± 0.35 |
Zuo et al. [29] | 6.4 ± 3.25 | 7.24 ± 2.42 | 27.3 ± 5.0 | 26.1 ± 1.7 | 47.3 ± 14.6 | 43.3 ± 7.8 | 20.6 ± 26.3 | / |
Lacedonia et al. [23] | 63.43 ± 11.53 | 80.10 ± 18.50 | 27.29 ± 2.41 | 27.58 ± 1.40 | 62.80 ± 8.19 | 58.80 ± 17.55 | / | / |
Yang et al. [30] | 8.13 ± 2.28 | 14.52 ± 4.10 | 24.61 ± 3.80 | 23.37 ± 3.55 | 50.12 ± 11.25 | 49.30 ± 10.70 | 37.87 ± 14.90 | / |
Abdel et al. [24] | 5.09 ± 0.47 | 5.86 ± 0.89 | 36.00 ± 1.10 | 36.62 ± 1.14 | 49.92 ± 2.10 | 47.55 ± 2.35 | 32.17 ± 20.59 | 3.72 ± 1.69 |
Chen et al.(mod) [25] | 29.31 ± 11.57 | 43.98 ± 22.13 | 25.35 ± 2.07 | 25.51 ± 2.17 | 43.32 ± 11.95 | 41.33 ± 12.45 | 32.12 ± 10.21 | 4.86 ± 2.31 |
Chen et al.(sev) [25] | 25.79 ± 13.35 | 43.98 ± 22.13 | 26.12 ± 3.49 | 25.51 ± 2.17 | 42.06 ± 11.75 | 41.33 ± 12.45 | 72.47 ± 15.73 | 4.86 ± 2.31 |