Table 4 Overall Coleman methodology score for each criterion
Criteria (maximum score) | Mean | Standard deviation | Range |
|---|---|---|---|
Part A | |||
 1.Study size (10) | 4.1 | 3.7 | 0–10 |
 2. Mean follow-up (5) | 5.0 | 0 | 5 |
 3. Number of procedures (10) | 10.0 | 0 | 10 |
 4. Type of study (15) | 3.9 | 6.5 | 0–15 |
 5. Diagnostic certainty (5) | 5.0 | 0 | 5 |
 6. Surgery description (5) | 5.0 | 0 | 5 |
 7. Rehabilitation description (10) | 9.6 | 2.1 | 0–10 |
Part B | |||
 1.Outcome criteria (10) | 10.0 | 0 | 10 |
 2. Procedure for outcomes (15) | 11.7 | 1.6 | 11–15 |
 3. Selection process (15) | 13.9 | 2.1 | 10–15 |
Coleman methodology score (100) | 78.1 | 8.2 | 66–100 |