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Table 3 Intraclass correlation coefficients between the first and second assessments of the Dutch Knee Replacement Expectations Survey, for the total score and the individual items separately.

From: Reliability and concurrent validity of the Dutch hip and knee replacement expectations surveys

 

ICC

95% CI

Knee Replacement Expectations Score

0.79

0.66 - 0.88

1. Relief pain

0.74

0.57 - 0.85

2. Improve ability to walk short distance

0.51

0.26 - 0.70

3. Improve ability to walk medium distance

0.70

0.52 - 0.82

4. Improve ability to walk long distance

0.66

0.47 - 0.80

5. Remove the need for a cane, crutch or walker

0.64

0.43 - 0.78

6. Make knee or leg straight

0.63

0.41 - 0.77

7. Improve ability to go up stairs

0.47

0.21 - 0.67

8. Improve ability to go down stairs

0.51

0.26 - 0.70

9. Improve ability to kneel

0.61

0.38 - 0.76

10. Improve ability to squat

0.60

0.37 - 0.76

11. Improve ability to use public transportation, drive

0.70

0.52 - 0.82

12. Be employed for monetary reimbursement

0.68

0.49 - 0.81

13. Improve ability to participate in recreation

0.73

0.55 - 0.84

14. Improve ability to perform daily activities

0.75

0.58 - 0.85

15. Improve ability to exercise or participate in sports

0.74

0.57 - 0.85

16. Improve ability to change position

0.44

0.18 - 0.65

17. Improve ability to interact with others

0.59

0.36 - 0.75

18. Improve sexual activity

0.71

0.53 - 0.83

19. Improve psychological well-being

0.68

0.48 - 0.81

  1. NOTE. ICC: Intraclass Correlation Coefficient; CI: Confidence Interval