Results of the first and second readings for the three observers (A, B, and C) (mean grades)
| A | B | C | ||||||
|---|---|---|---|---|---|---|---|---|
| 1st | 2nd | 1st | 2nd | 1st | 2nd | |||
| All biopsies | 3.02 | 3.22 | 2.68 | 3.17 | 2.33 | 3.17 | ||
| Healthy tissue | 1.66 | 1.50 | 1.66 | 1.54 | 0.66 | 1.54 | ||
| Inflamed tissue | 3.62 | 4.05 | 3.14 | 3.97 | 3.06 | 3.97 | ||
Kappa values: A:B=0.42 (Ist), 0.62 (2nd); A:C=0.26 (Ist), 0.70 (2nd); B:C=0.20 (Ist), 0.59 (2nd).
In the first reading, three different semiserial sections were examined (total, n=95; healthy tissue, n=29; inflamed tissue, n=66). In the second reading the same section was examined by all three pathologists (total, n=86; healthy tissue, n=28; inflamed tissue, n=58).