Table 2. Inter-observer concordance rates for the Kindai/Kyoto cohortThe numbers in parentheses represent Cohen’s kappa coefficient.
Observers | Four classifications; Fleiss’ kappa 0.588 | Two classifications (MT vs. non-MT); Fleiss’ kappa 0.703 | ||||
---|---|---|---|---|---|---|
N.H. | O.T. | M.R. | N.H. | O.T. | M.R. | |
M.C. | 83% (0.76) | 88% (0.83) | 62% (0.49) | 93% (0.86) | 94% (0.90) | 81% (0.59) |
N.H. | 67% (0.66) | 58% (0.42) | 92% (0.83) | 78% (0.53) | ||
O.T. | 54% (0.39) | 75% (0.50) |
MT, mesenchymal transition.