Skip to main content
. 2007 Apr 28;1(2):101–105. doi: 10.1007/s11832-007-0020-x

Table 2.

Inter-observer agreement, given as the number of hips according to the three-group classification

Agreement Kappa(W)
N 1 Three-group classification N 2 %
A B C
SS/TT 101 51 24 7 82 81 0.70
SS/OW 101 38 30 6 74 73 0.60
TT/OW 101 37 29 7 73 72 0.56

SS, TT and OW are the paediatric orthopaedic surgeons, N 1 is the number of hips examined, N 2 is the number of patients agreed upon, % is the percentage agreement and Kappa(W) is the weighted kappa