Table 3 Summary of complications and efficacy outcomes in the included studies

Nonunion rate

17

0.090 (0.072, 0.110)

0

0.520

Collapse rate

6

0.047 (0.030, 0.068)

30.73

0.205

Effective rate

 Poor

10

0.109 (0.072, 0.154)

55.26

0.017

 Fair

10

0.154 (0.088, 0.234)

81.81

< 0.001

 Good

10

0.734 (0.626, 0.830)

86.33

< 0.001

Reoperation rate

8

0.073 (0.029, 0.134)

78.67

< 0.001

Avascular necrosis rate

11

0.067 (0.036, 0.108)

65.41

0.001

Coxa vara rate

6

0.101 (0.051, 0.166)

67.95

0.008