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Table 6 Comparison of postoperative BMD ratios at 5 years 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 98.301 93.225 3.113 −7.234 13.461 0.364 0 % Fixed-effect model 0.555
2 95.222 93.382 −0.391 −6.359 5.578 0.387 0 % Fixed-effect model 0.898
3 95.092 96.161 −2.885 −6.893 1.123 0.508 0 % Fixed-effect model 0.158
4 95.685 96.943 −2.756 −6.559 1.047 0.640 0 % Fixed-effect model 0.155
5 95.570 96.829 −1.618 −5.633 2.398 0.750 0 % Fixed-effect model 0.430
6 98.976 92.007 7.002 0.004 14.001 0.925 0 % Fixed-effect model 0.050
7 79.444 69.561 9.664 1.754 17.575 0.852 0 % Fixed-effect model 0.017