| |
Pathologist 1 |
| Pathologist 2 |
|
IIBD+ |
IIBD- |
Total |
| IIBD+ |
53§ |
4* |
57 |
| IIBD- |
11† |
13 |
24 |
| Total |
64 |
17 |
81 |
Po (observed agreement)=(53 + 13)/81 = 0.815
Pe (expected agreement)=[(64/81) × (57/81)] + [(17/81)×(24/81)]
Kappa=(Po-Pe)/(1-Pe)=0.51
IIBD: intraparenchymal isolated bile ductule.
*The detected number of IIBDs by Pathologist 1 was “1” in 2 cases and “2” in 2 cases.
†The detected number of IIBDs by Pathologist 2 was “1” in 6 cases, “2” in 4 cases, and“3” in 1 case.
§The mean numbers of IIBDs detected by Pathologist 1 and Pathologist 2 were “4.5” (range, 1-18) and “3.7” (range, 1-13), respectively. |
|
