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Table 3 The Newcastle–Ottawa scale score of case control study/cohort study

From: Minimally invasive plate osteosynthesis vs conventional fixation techniques for surgically treated humeral shaft fractures: a meta-analysis

Study ID

Selection

Comparability

Outcome/exposure

Total score

An 2010 [25]

3

2

3

8

An 2012

3

1

3

7

Oh 2012 [23]

4

2

2

8

Wang 2015 [24]

4

2

3

9

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X