MINORS score

Patel et al. (2011)

Grisar et al. (2018)

A.B Hewitt et al. (2011)

Grisar et al. (2020)

Huth et al. (2013)

A clearly stated aim

2

2

2

2

2

Inclusion of consecutive patients

2

2

2

2

2

Prospective data collection

0

0

0

2

0

End points appropriate to the aim of the study

1

1

1

2

1

Unbiased assessment of the study end point

1

1

1

1

1

Follow-up period appropriate to the aim of the study

2

2

2

1

1

Loss of follow-up lower than 5%

1

1

1

2

2

Prospective calculation of the study size

1

1

2

1

1

Adequate control group

2

2

2

2

2

Contemporary groups

0

0

0

0

0

Baseline equivalence of groups

0

0

0

0

0

Adequate statistical analyses

2

2

2

2

2

Total score

14

14

15

17

14

Risk of bias

Medium

Medium

Medium

Medium

Medium