Table 3 Distribution and contingency analysis of clinical severity classification according to pathological grades (Cohen’s kappa coefficient = 0.717)
Froimson’s clinical severity classification | |||||
|---|---|---|---|---|---|
Grade II | Grade III | Grade IV | Total | ||
Pathological grade | L grade | 5 (100%) | 0 | 0 | 5 |
M grade | 3 (37.5%) | 5 (62.5%) | 0 | 8 | |
H grade | 0 | 1 (12.5%) | 7 (87.5%) | 8 | |
Total | 8 (38.1%) | 6 (28.6%) | 7 (33.3%) | 21 | |