Table 4 Comparison of concordance of the Gleason score between urological and general pathologists in 4 periods
From: Review by urological pathologists improves the accuracy of Gleason grading by general pathologists
% Exact Concordance of GS | % Undergrading by UPD vs GPD | % Overgrading by UPD vs GPD | Kappa score | |||||
|---|---|---|---|---|---|---|---|---|
Overall | 6 | 3 + 4 | 4 + 3 | 8–10 | ||||
Apr./06–Sep./06 (n = 80) | 47.5 (38/80) | 55.9 (19/34) | 22.2 (4/18) | 9.1 (2/11) | 76.4 (13/17) | 35.1 (28/80) | 18.1 (14/80) | 0.55 |
Oct./06–Mar./07 (n = 91) | 62.6 (57/91) | 86.7 (26/30) | 66.7 (18/27) | 25.0 (5/20) | 57.1 (8/14) | 23.1 (21/91) | 14.3 (13/91) | 0.68 |
Apr./07–Sep./07 (n = 65) | 76.9 (50/65) | 72.3 (16/22) | 80.9 (17/21) | 53.8 (7/13) | 90.9 (10/11) | 11.9 (8/65) | 14.1 (9/65) | 0.81 |
Oct./07–Mar./08 (n = 61) | 78.7 (48/61) | 87.5 (21/24) | 75.0 (9/12) | 70.6 (12/17) | 75.0 (6/8) | 16.4 (10/61) | 4.9 (3/61) | 0.84 |