Table 5.
Difference in Ki-67 labelling index between primary tumours and metastases.
| First pathologist | Ki-67 in metastases, % |
||||
|---|---|---|---|---|---|
| 0-4 | 5-9 | 10+ | |||
| Ki-67 in primary tumoursa, % | 0-4 | 0 | 2 | 0 | Kappa (95% CI) |
| 5-9 | 1 | 5 | 2 | 0.31 (0.0-0.66) | |
| 10+ | 1 | 1 | 5 | Fisher P = .13 | |
| Second pathologist | Ki-67 in metastases, % |
||||
| 0-4 | 5-9 | 10+ | |||
| Ki-67 in primary tumoursa, % | 0-4 | 2 | 2 | 1 | Kappa (95% CI) |
| 5-9 | 3 | 2 | 1 | 0.29 (0.0-0.64) | |
| 10+ | 0 | 1 | 5 | Fisher P = .14 | |
Abbreviation: CI, confidence interval.
a
There were 2 patients with metastatic tumours only.