Minimally invasive dynamic hip screw versus conventional dynamic hip s(3)
Minimally invasive dynamic hip screw versus conventional dynamic hip screw for intertrochanteric fractures in the elderly：an updat
Statistical analysis was conducted using Review Manager 5.2 software. Continuous data were expressed as the weighted mean difference(WMD)and 95 % confidence intervals(CI). Dichotomous data were presented as risk ratios(RR)with 95 % CI. P ≤ 0.05 was considered statistically significant. Heterogeneity was tested using the chi-square test and the I2 test. A significance level of 0.1 for the chi-square test was interpreted as evidence of heterogeneity. The I2 test was used to estimate the total variation among the studies. When no statistical evidence of heterogeneity was present ......
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