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Table 2 Detailed data on 13 observational comparing variables between both methods and the outcomes of meta-analyses

From: Meta-analysis of plate fixation versus intramedullary fixation for the treatment of mid-shaft clavicle fractures

Variables

No of studies

Pooled OR or SMD

LL 95% CI

UL 95% CI

 P -value

Q-test for heterogeneity ( P )

 c I 2 (%)

Implant failure

6

1.03*

0.43

2.48

0.94a

0.320

14.8

Nonunion

7

0.90*

0.44

1.84

0.78a

0.697

0

Malunion

4

1.32*

0.54

3.22

0.55a

0.478

0

Delayed union

2

0.20*

0.02

1.94

0.17a

0.890

0

Major revision needed

2

0.25*

0.05

1.24

0.09a

0.532

0

Temporary brachial plexus lesion

2

1.69*

0.31

9.19

0.54a

0.343

0

Shoulder motion

       

 Forward flexion

2

-0.10#

-0.43

0.23

0.55a

0.430

0

Abduction

2

-0.33#

-0.67

-0.004

0.05a

0.423

0

 External rotation

2

-0.22#

-0.56

0.11

0.19a

0.855

0

Internal rotation

2

-0.32#

-0.66

0.01

0.06a

0.606

0

Constant scores

       

 6-mon

3

1.02#&

0.64

1.41

<0.001a&

0.230

32.6

 12-mon

3

0.22#

-0.39

0.83

0.47b

0.033

70.8

 24-mon

2

-0.21#

-0.82

0.39

0.50b

0.040

75.6

  1. Abbreviation: SMD standardized mean difference, OR odds ratio, LL lower limit, UL upper limit.
  2. *Pooled OR was used; #Pooled SMD was used.
  3. & Favor IF as advantage.
  4. aFixed-effects model was performed.
  5. bFandom-effects model was performed.
  6. cI2 statistic was defined as the proportion of heterogeneity not due to chance or random error.