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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