TABLE 1b.
Cohen's kappa and per cent agreement with pT after radical prostatectomy for cT based on DRE, MRI and both (Total)
| # pT2 (%) | # pT3 (%) | Per cent agreement (95% CI) | Gwet's AC1 (95% CI) | Kappa (95% CI) | |
|---|---|---|---|---|---|
| cT2 (DRE) | 2526 (51.2) | 2408 (48.8) | |||
| cT3 (DRE) | 119 (19.7) | 485 (80.3) | 54.4 (53.1–55.7) | 0.20 (0.17–0.23) | 0.12 (0.10–0.13) |
| cT2 (MR) | 2321 (56.9) | 1760 (43.1) | |||
| cT3 (MR) | 324 (22.2) | 1133 (77.8) | 62.4 (61.1–63.7) | 0.28 (0.25–0.31) | 0.26 (0.24–0.28) |
| cT2 (Total) | 2383 (56.9) | 1804 (43.1) | |||
| cT3 (Total) | 262 (19.4) | 1089 (80.6) | 62.7 (61.4–64.0) | 0.29 (0.27–0.32) | 0.27 (0.25–0.29) |