Study ID | MD [95% CI] | P value |
---|---|---|
Deng XL [22] | −15.80 [−29.29, -2.31] | 0.02 |
Gao CR [14] | −100.00 [−125.53, -74.47] | <0.00001 |
Luan F [20] | −15.80 [−28.54, -3.06] | 0.02 |
Teng MJ [34] | −74.75 [−86.45, -63.05] | <0.00001 |
Wang JY [42] | −11.00 [−16.04, -5.96] | <0.0001 |
Wu JH [43] | −23.50 [−34.26, -12.74] | <0.0001 |
Ying LJ [25] | −28.80 [−47.82, -9.78] | 0.003 |
Zhang LY [26] | −18.38 [−30.15, -6.61] | 0.002 |
Zhao YF [19] | −23.16 [−36.41, -9.91] | 0.0006 |
Meta-Analysis (random,I2 = 94%) | −33.14 [−48.92, -17.36] | <0.0001 |