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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).