Table 5.
Construct validity of the simplified Chinese version of FJS
| Scales | Correlation coefficient (r)a | p value |
|---|---|---|
| KOOS | ||
| Symptoms | 0.672** | <0.001 |
| Pain | 0.604** | <0.001 |
| Function in daily living | 0.532** | <0.001 |
| Function in sport and recreation | 0.402** | <0.001 |
| Quality of life | 0.297** | <0.001 |
| SF-36 | ||
| Physical functioning | 0.503** | <0.001 |
| Pain | 0.528** | <0.001 |
| Role physical | 0.494** | <0.001 |
| General health | 0.265** | <0.001 |
| Vitality | 0.292** | <0.001 |
| Role emotional | 0.204* | 0.012 |
| Mental health | 0.086 | 0.296 |
| Social functioning | 0.662** | <0.001 |
The sample size for the analysis of construct validity was 150
FJS Forgotten Joint score, KOOS Knee Injury and Osteoarthritis Outcome Score, SF-36 short form 36
*Correlation is significant at the 0.05 level (two-tailed)
**Correlation is significant at the 0.01 level (two-tailed)
aCalculated by the Pearson’s correlation of the simplified Chinese version of the FJS with KOOS and SF-36