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Table 1 Quality assessment of included studies

From: Does the critical shoulder angle decrease after acromioplasty? A systematic review and meta-analysis

Authors

Clearly stated aim

Inclusion of consecutive patient

Prospective collection of data

Endpoints appropriate for aim

Unbiased assessment of endpoints

Appropriate follow-up period

Lost to follow-up < 5%

Prospective calculation of study size

Adequate control group

Contemporary groups

Baseline equivalence of groups

Adequate statistical analysis

Total score

Gerber (2017)

2

2

0

2

2

2

2

0

0

0

0

0

12

Billaud (2019)

2

2

0

2

2

1

2

0

0

0

0

0

11

Franceschetti (2020)

2

2

0

2

2

2

2

0

2

2

2

1

19

Long (2020)

2

2

2

2

1

2

2

2

2

2

1

2

22

Olmos (2020)

2

2

0

2

2

2

2

0

2

2

1

1

19

Girard (2020)

2

2

0

2

2

1

2

0

0

0

0

0

11

MacLean (2020)

2

2

0

1

2

1

2

0

2

2

2

2

18

Lin (2021)

2

2

0

2

2

1

2

0

2

2

2

2

19

Hardy (2020)

2

2

0

2

2

1

2

0

0

0

0

0

11