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. 2023 May 10;146(1):73–87. doi: 10.1093/bmb/ldad008

Table 1.

MCMS

Score
Part A: Only one score to be given for each of the 7 sections
1. Study size: number of patients
 <30 0
 30–50 4
 50–100 7
 >100 10
2. Mean follow-up
 <12 months 0
 12–36 months 4
 37–60 months 7
 >61 months 10
3. Surgical approach
 Different approach used and outcome not reported separately 0
 Different approach used and outcome reported separately 7
 Single approach used 10
4. Type of study
 Retrospective cohort study 0
 Prospective cohort study 10
 Randomized controlled trial 15
5. Description of diagnosis
 Described without percentage specified 0
 Described with percentage specified 5
6. Description of surgical technique
 Inadequate (not stated, unclear) 0
 Fair (technique only stated) 5
 Adequate (technique stated, details of surgical procedure given) 10
7. Description of postoperative rehabilitation
 Described 5
 Not described 0
Part B: Scores may be given for each option in each of the 3 sections if applicable
1. Outcome criteria
 Outcome measures clearly defined 2
 Timing of outcome assessment clearly stated 2
 Use of outcome criteria that has reported reliability 3
 General health measure included 3
2. Procedure of assessing outcomes
 Participants recruited 5
 Investigator independent of surgeon 4
 Written assessment 3
 Completion of assessment by patients themselves with minimal  investigator assistance 33
3. Description of subject selection process
 Selection criteria reported and unbiased 5
 Recruitment rate reported
 >90% 5
 <90% 0