Study | statistics with study removed | |||||
---|---|---|---|---|---|---|
 | MD | Lower limit | Upper limit | Z value | P value | I2 value |
Dereu 2019 [25] | −0.74 | −2.07 | 0.6 | 1.08 | 0.28 | 86% |
Kanazi 2010 [23] | −0.69 | −1.7 | 0.31 | 1.35 | 0.18 | 87% |
Kwikiriza 2019 [22] | −0.94 | −1.8 | −0.07 | 2.13 | 0.03 | 62% |
Loane 2012 [26] | −0.37 | −1.27 | 0.54 | 0.79 | 0.43 | 80% |
McMorrow 2011 [24] | −0.28 | −1.09 | 0.53 | 0.68 | 0.5 | 80% |