Table 4 The The inter-rater reliability of the GMFCS-E&R and the Wilson mobility scale was calculated between pairs of examiners (Paediatrician, Physiotherapist (PT) and the Layman/Student). The weighted Kappa coefficient (Kw) and the 95Â % Confidence interval (95Â % CI) were presented. Eighty-eight children with cerebral palsy were examined