Table 3.
Inter-rater agreement between biochemical response and response evaluation criteria in solid tumors criteria by deriving Cohen’s Kappa coefficient (k)
| Biochemical response | Total | P | κ | |||
|---|---|---|---|---|---|---|
| PD | PR | SD | ||||
| RECIST criteria | ||||||
| PD | 3 (13.04) | 0 (0.00) | 2 (8.70) | 5 (21.74) | 0.947 | 0.010 |
| PR | 0 (0.00) | 0 (0.00) | 2 (8.70) | 2 (8.70) | ||
| SD | 6 (26.09) | 3 (13.04) | 7 (30.43) | 16 (69.57) | ||
| Total | 9 (39.13) | 3 (13.04) | 11 (47.83) | 23 (100.00) | ||
RECIST: Response evaluation criteria in solid tumors, PD: Progressive disease, PR: Partial response, SD: Stable disease