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Table 2 The weighted kappa across three measurement points

From: Stability of the gross motor function classification system in children with cerebral palsy for two years

Age RangeCategoryWeighted KappaLower 95% CIUpper 95% CI
2 ~ 12 years
(n = 100)
First and second0.763*0.6750.850
Second and third0.783*0.7150.852
First and third0.690*0.5890.791
2 ~ 4 years
(n = 15)
First and second0.754*0.5700.939
Second and third0.719*0.5300.908
First and third0.557*0.3010.812
4 ~ 6 years
(n = 25)
First and second0.715*0.4400.991
Second and third0.785*0.5960.973
First and third0.652*0.3580.945
6 ~ 12 years
(n = 60)
First and second0.757*0.6450.870
Second and third0.778*0.6890.868
First and third0.721*0.6020.839
  1. Note. The superscripted asterisk indicates significant difference (p < 0.05)