Summary of MIDs for improvement for interested instruments according to the credibility
| Instrument/domain (score range) | No of estimates | Median estimate | Minimum estimate | Maximum estimate |
| High credibility | ||||
| Absolute MIDs | ||||
| Constant score (0–100)* | 10 | 8.3 | 3 | 16.6 |
| SST (0–12) | 2 | 1.8 | 1.5 | 2.1 |
| Pain VAS (overall) (0–10) | 2 | 1.5 | 1.4 | 1.6 |
| Pain VAS (activity) (transfer to 0–10) | 1 | 2.1 | ||
| Pain VAS (at rest) (transfer to 0–10) | 1 | 3.0 | ||
| DASH (0–100) | 6 | 10.2 | 4.4 | 25.4 |
| OSS: (0–48)† | 8 | 5.3 | 4.0 | 14.7 |
| SF-12 (0–100) | 1 1 | Physical:1 Mental: 4 | ||
| Relative MIDs (relative to baseline) | ||||
| Constant score (0–100) | 1 | 15% | ||
| OSS (0–48) | 1 | 11% | ||
| Low credibility | ||||
| Absolute MIDs | ||||
| Constant score (0–100) | 9 | 19.0 | 0.3 | 36.0 |
| SST (0–100) | 6 | 2.1 | 1.4 | 2.9 |
| Pain VAS (overall) (0–10) | 5 | 1.4 | 0.5 | 2.7 |
| DASH (0–100) | 1 | 12.4 | ||
| PNRS (0–10) | 5 | 3.4 | 1.1 | 6.3 |
| Quick DASH (0–100) | 1 | 13.4 | ||
| Neer score (0–100) | 3 | 2.0 | 1.5 | 3.7 |
| EQ-5D-3L (−0.59 to 1) | 2; 2 | Raw index: 0.07; VAS: 7.18 | 0.02; 6.86 | 0.11 7.50 |
| SF-12 (0–100) | 2; 2 | Physical: 2.2 Mental: 0.9 | 2.0; 0.9 | 2.4; 1.0 |
| Relative MIDs (relative to baseline) | ||||
| Constant score (0–100) | 1 | 22% | ||
| Quick DASH (0–100) | 1 | 8% |
*The range of the Constant score is 2–100 in van de Water et al. 49
†The range of the OSS is 12–60 in Christie et al. 36
DASH, Disabilities of the Arm, Shoulder and Hand; EQ-5D-3L, Euro-Quality of life 5-dimension 3-level index; MID, minimal important difference; NR, not reported; OSS, Oxford Shoulder Score; PNRS, Pain Numerical Rating Scale; SF-12, Short Form Health Survey 12; SST, simple shoulder test; VAS, Visual Analogue Scale.