Table 2

Intra- and inter-observer reliability


Intra-observer reliability
Inter-observer reliability




% agreement
Kappa
% agreement
Kappa

Spondylolisthesis type
76.7%
0.72
57.0%
0.49
Slip grade
97.1%
0.94
95.2%
0.90
Degree of dysplasia
85.0%
0.69
72.2%
0.43
Sacro-pelvic balance
88.8%
0.85
77.2%
0.69

Mac-Thiong et al. Scoliosis 2008 3:19   doi:10.1186/1748-7161-3-19