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Table 3 Quality assessment according to the Newcastle–Ottawa scale

From: Negative pressure wound therapy for closed incisions in orthopedic trauma surgery: a meta-analysis

Study

Selection

Comparability

Exposure

Total score

Cooper (2018) [15]

3

2

3

8

Dingemans (2018) [17]

3

2

2

7

Reddix (2010) [10]

3

1

3

7

Zhou (2016) [18]

3

2

2

7

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X