Concordance between light microscopy grade and its component scores with virtual microscopy grade and its component scores assessed using Cramer’s V and kappa statistic
| Parameters | Cramer’s V statistic | Kappa statistic | |||
| Cramer’s V | Phi | Kappa | CI | Z-value | |
| Grade | 0.58 | 0.82 | 0.51 | 0.47 to 0.54 | 28.4 |
| Mitosis scores | 0.51 | 0.73 | 0.46 | 0.43 to 0.50 | 25.6 |
| Tubules scores | 0.53 | 0.75 | 0.48 | 0.44 to 0.52 | 23.1 |
| Pleomorphism scores | 0.41 | 0.58 | 0.27 | 0.24 to 0.31 | 14.1 |