Table 4 Radiological comparisons unipedicular group and bipedicular group in this study

AVBHR(%)

 Preoperative

85.46 ± 10.26

85.69 ± 11.22

-0.137

0.892

 Postoperative

92.34 ± 9.42*

90.86 ± 8.98*

1.018

0.310

 2 years Postoperative

88.63 ± 10.08*

86.35 ± 8.78*

1.531

0.128

MVBHR(%)

 Preoperative

80.32 ± 13.81

77.26 ± 12.81

1.448

0.150

 Postoperative

86.58 ± 14.22*

85.26 ± 11.84*

0.636

0.526

 2 years Postoperative

84.59 ± 14.34*

82.55 ± 11.27*

0.996

0.321

PVBHR(%)

 Preoperative

90.87 ± 8.91

88.81 ± 9.96

1.628

0.105

 Postoperative

92.50 ± 8.86*

90.03 ± 8.39*

1.814

0.072

 2 years Postoperative

90.27 ± 9.47*

88.55 ± 8.81*

1.184

0.238

Cement distribution(%)

 Anteroposterior radiographs

52.13 ± 10.39

57.78 ± 11.36

-3.283

 < 0.001

 lateral radiographs

62.17 ± 11.40

62.05 ± 10.26

0.070

0.944