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Table 7 Cohen’s weighted kappa with quadratic weighting for follow-up items in descending order (n = 1–51)

From: Reliability and validity of the Patient Benefit Assessment Scale for Hospitalised Older Patients (P-BAS HOP)

Item

n

% agreement

Weighted Kappa (95% CI)

Kmax

Weighted K/ Kmax

Enjoying life

17

88.24

0.88 (0.65;1)

0.98

0.91

Pain

14

42.86

0.72 (nc)

0.82

0.88

Sports

12

41.67

0.61 (0.39;0.83)

0.71

0.86

Controlling disease

29

55.17

0.59 (0.28;0.90)

0.87

0.67

Driving

10

60.00

0.55 (0.07;1)

0.97

0.56

Better

51

50.98

0.51 (0.20;0.81)

0.74

0.68

Alive

28

60.71

0.50 (0.18;0.82)

0.57

0.87

Shortness of breath

25

56.00

0.47 (0.07;0.88)

0.75

0.63

Energy

41

43.90

0.45 (0.16;0.74)

0.89

0.51

Gardening

13

46.15

0.40 (0;87)

0.74

0.54

Walking

25

36.00

0.24 (0;0.50)

0.83

0.28

Knowing what is wrong

10

70.00

0.17 (nc)

1

0.17

Bowel movement

5

40.00

nc

nc

nc

Appetite

9

77.77

nc

nc

nc

Groceries

5

0

nc

nc

nc

Washing and dressing

5

60.00

nc

nc

nc

Hobbies

6

50.00

nc

nc

nc

Visiting

4

25.00

nc

nc

nc

Outings

7

57.14

nc

nc

nc

Home

1

100

nc

nc

nc

Independence

7

14.28

nc

nc

nc

Extra

2

100

nc

nc

nc

Mean

15

53.43

0.51

0.83

0.63

  1. CI Confidence interval, nc not calculated