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Table 2 Methodological items for non-randomized studies (MINORS)

From: Does new instrument for Oxford unicompartmental knee arthroplasty improve short-term clinical outcome and component alignment? A meta-analysis

 

Clearly stated study aim

Inclusion of consecutive patients

Prospective collection of data

Appropriate endpoints

Unbiased assessment of endpoint

Appropriate follow-up period

Loss to follow-up less than 5%

Prospective calculation of study size

Adequate control group

Contemporary groups

Baseline equivalence of groups

Adequate statistical analyses

Total score

Mohammad et al. [9]

2

2

2

2

2

2

2

2

2

1

2

2

23/24

Malhotra et al. [13]

2

2

2

2

1

1

2

0

2

1

2

2

19/24

Jang et al. [12]

2

2

2

2

2

1

2

0

2

1

2

2

20/24

Tu et al. [11]

2

2

2

2

2

1

2

0

2

1

2

2

22/24

Koh et al. [8]

2

2

2

2

1

1

2

0

2

1

2

2

19/24

Walker* et al. [12]

2

2

2

NA

NA

NA

NA

0

2

1

2

2

13/16

Hurst* et al. [19]

2

2

2

NA

NA

NA

NA

0

2

1

2

2

13/16

  1. *Walker’s and Hurst’s articles reported only radiological assessments without follow-up, so that the full score should be 16 points
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X