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Table 5 Comparison of postoperative BMD ratios at 12 months between each group

From: Effect of bisphosphonates in preventing femoral periprosthetic bone resorption after primary cementless total hip arthroplasty: a meta-analysis

ROI BMD ratios in bisphosphonates group BMD ratios in control group WMD [95 % CI] P of chi-square I 2 Selected model P for overall effect
1 96.005 87.601 6.819 3.816 9.821 0.009 67 % Random-effect model <0.001
2 99.032 92.431 6.250 5.314 7.186 0.386 8 % Fixed-effect model <0.001
3 99.786 97.172 2.822 0.615 5.029 0.001 86 % Random-effect model 0.012
4 101.002 98.085 2.540 0.948 4.132 0.002 73 % Random-effect model 0.002
5 101.189 100.601 −0.303 −1.823 1.218 0.074 50 % Fixed-effect model 0.696
6 97.458 91.817 5.220 3.262 7.178 0.018 63 % Random-effect model <0.001
7 85.797 77.128 8.153 5.130 11.175 0.002 73 % Random-effect model <0.001