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Table 1 Characteristics of studies included in the meta-analysis of the nonunion rate between the two groups

From: RETRACTED ARTICLE: Open reduction and closed reduction internal fixation in treatment of femoral neck fractures: a meta-analysis

Study

Year

ORIF

CRIF

Union

Nonunion

Union

Nonunion

Liu[11]

2003

21

21

33

23

Wang[12]

2005

19

1

41

1

Song[13]

2010

14

1

7

5

Zhang[14]

2011

47

3

48

2

Ye[15]

2011

16

12

19

13

Lin[16]

2012

18

1

12

3

Zhou[17]

2012

124

13

113

8

Xia[18]

2013

37

3

33

3

Zhang[19]

2013

43

11

68

10

  1. ORIF, open reduction internal fixation; CRIF, closed reduction and internal fixation.