Table 5 Responsiveness indices (Effect Size (ES), Standardized Response Mean (SRM) and Responsiveness Index (RI)), for change from baseline to 1 year after hip joint replacement surgery, according to perceived global change.
Improved (n = 133) | Unchanged or worsened (n = 28) | |||||
|---|---|---|---|---|---|---|
ES | SRM | RI | ES | SRM | RI | |
Brief Pain Inventory | ||||||
Pain severity index1 | 1.70 | 1.71 | 2.17 | 1.00 | 1.36 | 1.39 |
Function interference index2 | 1.80 | 1.56 | 2.16 | 1.27 | 1.40 | 1.56 |
WOMAC 3 | ||||||
Pain | -2.98 | -2.82 | -3.01 | -1.61 | -1.84 | -2.07 |
Stiffness | -2.46 | -1.90 | -1.76 | -1.56 | -1.25 | -1.33 |
Physical function | -2.96 | -2.75 | -2.53 | -1.35 | -1.53 | -1.50 |
SF-36 Scale 4 | ||||||
Physical functioning | 2.36 | 1.68 | 2.01 | 1.35 | 1.53 | 1.50 |
Role-physical | 1.50 | 1.02 | 1.01 | 1.26 | 1.19 | 1.10 |
Bodily pain | 2.87 | 1.95 | 1.80 | 2.16 | 1.31 | 1.17 |
General health | 0.37 | 0.40 | 0.43 | -0.36 | -0.41 | -0.42 |
Vitality | 0.85 | 0.88 | 1.19 | 0.46 | 0.58 | 0.66 |
Social functioning | 0.93 | 0.97 | 0.84 | 0.40 | 0.50 | 0.46 |
Role-emotional | 0.54 | 0.60 | 0.40 | 0.23 | 0.19 | 0.18 |
Mental health | 0.51 | 0.69 | 0.59 | 0.01 | 0.01 | 0.01 |