Research Article

Health-Related Quality of Life and Outcome after Total Knee Replacement: Results from a Cross-Sectional Survey in Jordan

Table 1

Correlation coefficients and Cronbach’s alpha for the scales used in this study.

#Factor12345Cronbach’s alpha

1Total WOMAC scale0.84
2Pain severity0.620.76
3Joint stiffness0.310.370.62
4Physical functioning impairment0.710.300.460.79
5Psychological demand (SF-36)0.280.210.010.220.76

P value: <0.001.