Table 3 Sensitivity to change of the questionnaires: mean differences between scorings at visits 1 and 2
From: Transcultural adaptation and validation of the “Hip and Knee” questionnaire into Spanish
Sales and measurement instruments | N | Mean | Standard error of the mean | Median | Standard deviation | Minimum | Maximum | Size effect |
|---|---|---|---|---|---|---|---|---|
Hip and Knee v1 global score | 299 | 14.39 | 0.34 | 14.17 | 5.95 | 0 | 31.5 | 1.409 |
Hip and Knee v2 global score | 281 | 6.00 | 0.29 | 4.83 | 4.91 | 0 | 29.25 | |
SF-36 mental component v1 | 324 | 44.21 | 0.67 | 43.65 | 12.02 | 13.58 | 68.66 | 0.297 |
SF-36 mental component v2 | 301 | 47.78 | 0.64 | 50.35 | 11.12 | 10.00 | 69.05 | |
SF-36 physical component v1 | 324 | 31.84 | 0.41 | 30.53 | 7.43 | 14.97 | 53.72 | 1.078 |
SF-36 physical component v2 | 301 | 39.85 | 0.50 | 40.44 | 8.67 | 14.97 | 60.54 | |
WOMAC pain v1 | 322 | 15.88 | 0.23 | 16 | 4.10 | 5 | 25 | 1.541 |
WOMAC pain v2 | 305 | 9.55 | 0.21 | 9 | 3.69 | 5 | 25 | |
WOMAC functional v1 | 314 | 56.94 | 0.75 | 56 | 13.23 | 18 | 85 | 1.579 |
WOMAC functional v2 | 301 | 36.05 | 0.77 | 35 | 13.44 | 17 | 82 | |
WOMAC stiffness v1 | 329 | 6.40 | 0.11 | 6 | 2.03 | 2 | 10 | 1.187 |
WOMAC stiffness v2 | 307 | 3.98 | 0.10 | 4 | 1.79 | 2 | 10 |