Study | ES [95% Conf. Interval] % Weight ---------------------+--------------------------------------------------- A.Kapoor(2008) | 0.075 0.004 0.147 1.50 Meng-Bin(2008) | 0.036 0.001 0.071 2.63 Diego Vicente(2007) | 0.076 0.053 0.099 3.06 Rimoldi SG(2016) | 0.091 0.044 0.139 2.19 Nadji SA(2008) | 0.128 0.032 0.223 1.03 Gubio(2016) | 0.419 0.325 0.513 1.05 Vicente (2013) | 0.091 0.067 0.116 3.00 Chow BD(2014) | 0.033 0.005 0.062 2.86 Chieochansin(2012) | 0.009 -0.003 0.021 3.34 Khamrin (2013) | 0.077 0.042 0.112 2.63 Pattara(2012) | 0.077 0.042 0.112 2.63 Thaweesak(2009) | 0.043 0.021 0.065 3.08 Tymentsev (2016) | 0.012 0.009 0.015 3.46 Ngan(2011) | 0.018 0.004 0.033 3.29 Lasure N(2016) | 0.057 0.035 0.080 3.07 Szomor KN(2010) | 0.033 -0.012 0.077 2.28 Lau SK(2011) | 0.021 0.013 0.028 3.42 Risku(2011) | 0.097 0.077 0.116 3.16 Cheng WX(2009) | 0.035 0.017 0.053 3.20 Jie-Mei Yu(2010) | 0.256 0.222 0.290 2.67 Pediatricmeeting(201 | 0.159 0.124 0.194 2.64 Min Zhao(2010) | 0.022 0.014 0.031 3.40 Jane L(2009) | 0.290 0.233 0.348 1.87 La Rosa G(2016) | 0.091 0.044 0.139 2.19 Preeti(2016) | 0.014 0.006 0.022 3.41 Sameena(2007) | 0.152 0.123 0.180 2.86 Jie-Mei (2008) | 0.055 0.042 0.068 3.33 Alam MM(2016) | 0.129 0.094 0.163 2.65 Sara(2011) | 0.066 0.037 0.095 2.83 Monavari SH(2009) | 0.080 0.042 0.118 2.54 Seyed(2013) | 0.080 0.042 0.118 2.54 Campe H(2015) | 0.046 0.022 0.069 3.04 Zhang DM(2007) | 0.015 0.008 0.022 3.42 zengm(2015) | 0.027 0.006 0.049 3.10 Wei-xia(2008) | 0.035 0.017 0.053 3.20 Lee JI(2016) | 0.008 0.003 0.014 3.44 ---------------------+--------------------------------------------------- D+L pooled ES | 0.069 0.058 0.081 100.00 ---------------------+--------------------------------------------------- Heterogeneity chi-squared = 816.71 (d.f. = 35) p = 0.000 I-squared (variation in ES attributable to heterogeneity) = 95.7% Estimate of between-study variance Tau-squared = 0.0010 Test of ES=0 : z= 11.75 p = 0.000