Table 2.
Results of sensitivity analysis.
| Outcome | Deletion | Result | |
|---|---|---|---|
| AHI | Chen et al. 2008 | χ 2 = 142.58, P < 0.00001, I2 = 95% | MD-6.28, 95% CI: -9.77 to -2.79 |
| Freire et al. 2007 | χ 2 = 138.07, P < 0.00001, I2 = 95% | MD-5.42, 95% CI: -8.90 to -1.95 | |
| Li et al. 2017 | χ 2 = 54.56, P < 0.00001, I2 = 87% | MD-5.39, 95% CI: -8.49 to -2.30 | |
| Pan 2012 | χ 2 = 119.72, P < 0.00001, I2 = 94% | MD-6.84, 95% CI: -10.59 to -3.10 | |
| Song et al. 2015 | χ 2 = 131.27, P < 0.00001, I2 = 95% | MD-5.50, 95% CI: -9.20 to -1.79 | |
| Su. 2018 | χ 2 = 115.86, P < 0.00001, I2 = 94% | MD-7.10, 95% CI: -10.62 to -3.58 | |
| Xu et al. 2017 | χ 2 = 95.82, P < 0.00001, I2 = 93% | MD-6.82, 95% CI: -10.55 to -3.09 | |
| Zhang et al. 2014 | χ 2 = 142.56, P < 0.00001, I2 = 95% | MD-6.07, 95% CI: -9.78 to -2.35 | |
| Zhao 2015 | χ 2 = 142.63, P < 0.00001, I2 = 95% | MD-6.07, 95% CI: -9.68 to -2.46 | |
|
| |||
| ESS | Li et al. 2017 | χ 2 = 22.60, P < 0.0001, I2 = 91% | MD-2.43, 95% CI: -6.24 to 1.38 |
| Song et al. 2015 | χ 2 = 8.30, P = 0.02, I2 = 76% | MD-1.55, 95% CI: -4.05 to 0.94 | |
| Su 2018 | χ 2 = 10.06, P = 0.007, I2 = 80% | MD-3.60, 95% CI: -5.40 to -1.80 | |
| Zhao 2015 | χ 2 = 28.38, P < 0.00001, I2 = 93% | MD-2.19, 95% CI: -4.97 to 0.58 | |
|
| |||
| LSaO2 | Chen et al. 2008 | χ 2 = 7.90, P = 0.05, I2 = 62% | MD-6.15, 95% CI: 3.67 to 8.62 |
| Li et al. 2017 | χ 2 = 11.75, P = 0.008, I2 = 74% | MD-4.86, 95% CI: 1.89 to 7.83 | |
| Pan 2012 | χ 2 = 9.63, P = 0.02, I2 = 69% | MD-5.89, 95% CI: 2.18 to 9.61 | |
| Song et al. 2015 | χ 2 = 8.17, P = 0.04, I2 = 63% | MD-4.39, 95% CI: 1.80 to 6.99 | |
| Xu et al. 2017 | χ 2 = 11.43, P = 0.010, I2 = 74% | MD-5.10, 95% CI: 1.06 to 9.15 | |