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Table 3 Weighted Kappa between assessments by factor

From: Electronic and paper versions of a faces pain intensity scale: concordance and preference in hospitalized children

Factor Subgroup Weighted Kappa 95% lower limit 95%upper limit
Order Electronic/Paper (n = 104) 0.837 0.762 0.913
  Paper/electronic (n = 98) 0.854 0.786 0.921
Preferencea Electronic (n = 159) 0.824 0.761 0.887
  Paper (n = 23) 0.921 0.836 1.000
Status Medicine (n = 36) 0.852 0.745 0.959
  Surgery (n = 166) 0.837 0.777 0.897
Age (3 categories) 4-6 years (n = 60) 0.833 0.728 0.939
  7-9 years (n = 66) 0.820 0.725 0.916
  10-12 years (n = 76) 0.869 0.795 0.942
Sex Girls (n = 85) 0.853 0.778 0.928
  Boys (n = 117) 0.838 0.770 0.907
Analgesic treatment None (n = 40) 0.846 0.722 0.970
  Level 1 (n = 64) 0.800 0.705 0.895
  Level 2 (n = 53) 0.835 0.715 0.955
  Level 3 (n = 45) 0.889 0.812 0.966
  1. a Answer 'does not know' was excluded from the calculation of Kappa
  2. * Analgesic levels: reference to the three step analgesic ladder of WHO