Table 3. Subgroup analysis of tumour growth rate and Ki67 for synchronous and metachronous colorectal liver metastases.
| Control | PVE | P-value | |
|---|---|---|---|
| Tumour growth rate (ml day –1 ) | |||
| Metachronous | n=10 | n=9 | |
| Median | −0.08 (−0.57–0.07) | 0.42 (−1.2–2.0) | |
| Mean±s.d. | −0.15±0.22 | 0.41±0.88 | 0.06 |
| Synchronous | n=10 | n=13 | |
| Median | 0.09 (−0.26–0.66) | 0.51 (−1.1–1.0) | |
| Mean±s.d. | 0.01±0.26 | 0.28±0.59 | 0.15 |
| Ki 67(%) | |||
| Metachronous | n=10 | n=9 | |
| Median | 21.85 (3.8–35.8) | 37.40 (6.9–75) | |
| Mean±s.d. | 21.8±10.5 | 41.5±20.4 | 0.01 |
| Synchronous | n=10 | n=13 | |
| Median | 31.9 (28.1–48.5) | 34 (11.9–61) | |
| Mean±s.d. | 33.3±6.1 | 34±13.4 | 0.89 |
PVE=portal vein embolisation.