Predefined Hypothesis | Spearman correlation* (r) | ||
---|---|---|---|
Pooled sample | Preoperative sample | Postoperative sample | |
1. A strong positive correlation between OKS-APQ and OKS; | 0.83 | 0.63 | 0.80 |
2. A strong positive correlation between OKS-APQ and FJS; | NA | NA | 0.74 |
3. A strong positive correlation between OKS-APQ and PCS (SF-36); | 0.65 | 0.40 | 0.59 |
4. A moderate to strong negative correlation between OKS-APQ and VAS pain; | –0.68 | –0.43 | –0.63 |
5. A weak to moderate positive correlation between OKS-APQ and MCS (SF-36); | 0.47 | 0.50 | 0.40 |