Table 4.
Responsiveness indices (Effect Size (ES), Standardized Response Mean (SRM) and Responsiveness Index (RI)), for change from baseline to 1 year after primary hip joint replacement surgery (N = 161).
| ES | SRM | RI | |
|---|---|---|---|
| Brief Pain Inventory | |||
| Pain severity index1 | 1.57 | 1.61 | 2.03 |
| Function interference index2 | 1.71 | 1.52 | 2.05 |
| WOMAC3 | |||
| Pain | -2.69 | -2.52 | -2.84 |
| Stiffness | -2.28 | -1.75 | -1.69 |
| Physical function | -2.61 | -2.33 | -2.35 |
| SF-36 Scale4 | |||
| Physical functioning | 2.17 | 1.54 | 1.85 |
| Role-physical | 1.46 | 0.95 | 0.94 |
| Bodily pain | 2.77 | 1.78 | 1.69 |
| General health | 0.24 | 0.25 | 0.29 |
| Vitality | 0.77 | 0.82 | 1.10 |
| Social functioning | 0.80 | 0.85 | 0.78 |
| Role-emotional | 0.49 | 0.50 | 0.36 |
| Mental health | 0.42 | 0.52 | 0.49 |
1 Range 0 - 40 (no pain, pain as bad you can image)
2 Range 0 - 70 (does not interfere, interferes completely)
4 Range 0 - 100 (poor health status, maximal health status)