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Table 4 Central tendency and dispersion of outcome measures for clients across insurance physicians (n = 199) and across offices (n = 27)*

From: Inter-doctor variations in the assessment of functional incapacities by insurance physicians

Outcome measures

NSCE

FIS0

FIS123

FIS456

MWDC

Across insurance physicians

     

Mean

35.1

69.6

27.3

4.1

42.9

median

34.1

72.0

25.9

2.0

42.9

minimum

8.6

22.4

4.8

0.5

10.5

maximum

83.3

95.2

61.2

19.3

86.1

standard deviation

11.9

11.0

9.0

3.0

9.8

variation coefficient

0.34

0.16

0.33

0.75

0.23

Across offices

     

Mean

34.7

68.6

28.1

3.3

43.9

median

33.3

68.5

28.3

3.2

42.7

minimum

18.2

44.6

20.7

0.9

35.1

maximum

49.9

78.3

47.3

8.8

53.0

standard deviation

8.3

6.7

5.1

2.0

4.4

variation coefficient

0.24

0.10

0.18

0.60

0.10

  1. * Row percentage across insurance physicians and across offices respectively, by categories (yes) of outcome measures. Number of clients: n = 83755 clients for NCSE and MDWC; n = 64190 clients for FIS. NSCE = no sustainable (long-term) functional capacities anymore, or restrictions in working hours up to 30 hours (category = yes); FIS0 = functional incapacity score (score 0 = yes); FIS123 = functional incapacity score (score 1 up to 3 = yes); FIS456 = functional incapacity score (score 4 up to 6 = yes); MWDC = maximum work disability class 80%-100% (category = yes).