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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 Range

Category

Weighted Kappa

Lower 95% CI

Upper 95% CI

2 ~ 12 years

(n = 100)

First and second

0.763*

0.675

0.850

Second and third

0.783*

0.715

0.852

First and third

0.690*

0.589

0.791

2 ~ 4 years

(n = 15)

First and second

0.754*

0.570

0.939

Second and third

0.719*

0.530

0.908

First and third

0.557*

0.301

0.812

4 ~ 6 years

(n = 25)

First and second

0.715*

0.440

0.991

Second and third

0.785*

0.596

0.973

First and third

0.652*

0.358

0.945

6 ~ 12 years

(n = 60)

First and second

0.757*

0.645

0.870

Second and third

0.778*

0.689

0.868

First and third

0.721*

0.602

0.839

  1. Note. The superscripted asterisk indicates significant difference (p < 0.05)