Chemotherapy plus percutaneous radiofrequency ablation in patients with inoperable colorectal liver metastases

Table 2 Distribution of radiofrequency ablation administration and efficacy in the three different patient’s groups

Characteristic	Adjunctive chemotherapy group (n = 13)	Primary FOLFIRI group (n = 10)	Primary FOLFOX group (n = 8)
Patients who had RFA	13	4	4
Metastases treated with RFA	20	7	4
Metastases per patient treated with RFA
Range	1-3	1-3	1-1
Median	1	2	1
Metastases with good radiological result after first attempt (%)	16 (80.0)	3 (43.0)	3 (75.0)
Metastases with good result following further RFA attempts	2	3	0
Metastases with good radiological result in total (%)	18 (90.0)	6 (86.0)	3 (75.0)

FOLFIRI: 5-fluorouracil, leucovorin and irinotecan combination; FOLFOX: 5-fluorouracil, leucovorin and oxaliplatin combination; RFA: Radiofrequency ablation.