Table 4.
Total scores WOMAC Pain and Physical Functioning subscales: first 25 raw score (ordinal) points*
| Raw total Pain VAS score (ordinal data) |
Rasch transformed Pain VAS score (interval data) | Raw total Physical Functioning VAS score (ordinal data) |
Rasch transformed Physical Functioning VAS score (interval data) |
|---|---|---|---|
| 0 | 0.00 | 0 | 0 |
| 1 | 20.77 | 1 | 79.04 |
| 2 | 35.14 | 2 | 129.94 |
| 3 | 45.13 | 3 | 161.34 |
| 4 | 53.51 | 4 | 184.08 |
| 5 | 59.50 | 5 | 201.40 |
| 6 | 65.10 | 6 | 215.48 |
| 7 | 70.69 | 7 | 227.39 |
| 8 | 75.08 | 8 | 236.05 |
| 9 | 81.07 | 9 | 244.71 |
| 10 | 83.47 | 10 | 252.29 |
| 11 | 87.06 | 11 | 258.79 |
| 12 | 91.45 | 12 | 265.29 |
| 13 | 93.45 | 13 | 270.70 |
| 14 | 95.45 | 14 | 275.03 |
| 15 | 97.44 | 15 | 279.36 |
| 16 | 99.84 | 16 | 283.69 |
| 17 | 101.44 | 17 | 288.02 |
| 18 | 103.03 | 18 | 291.27 |
| 19 | 104.63 | 19 | 294.52 |
| 20 | 106.23 | 20 | 297.77 |
| 21 | 107.43 | 21 | 299.94 |
| 22 | 108.63 | 22 | 303.18 |
| 23 | 109.82 | 23 | 305.35 |
| 24 | 110.62 | 24 | 307.52 |
| 25 | 111.82 | 25 | 310.76 |
* Scores were halved for the analysis, therefore the pain total score ranges from 0-250 and the physical functioning total score from 0-850