Statistical differences: consider the methodology.
Loder
Randall T
RT
Hensinger
Robert N
RN
D002675:Child, Preschool; D006801:Humans; D007223:Infant; D015588:Observer Variation; D015203:Reproducibility of Results; D012600:Scoliosis / Q000151:congenital / Q000175:diagnosis* / Q000453:epidemiology*; D012680:Sensitivity and Specificity; D013223:Statistics as Topic