Table 2.

Characteristics at the time of recurrence

Recurrent CRLM	All patients	No HAIP	HAIP	p value
Total	374	293	81	–
Recurrence-free interval (median, IQR)	11.0 (7.0–19.3)	11.0 (7.0–20.0)	12.0 (7.0–17.0)	0.91
Number of CRLM (median, IQR)	1 (1–2)	1 (1–2)	2 (1–2)	< 0.001
Missing	16
Size of largest CRLM (median, IQR)	2.1 (1.5–3.0)	2.1 (1.5–3.1)	2.1 (1.6–2.1)	0.78
Missing	61
CEA at recurrence (median, IQR)	6.4 (3.0–15.2)	6.9 (3.0–16.4)	6.3 (2.9–13.3)	1.00
Missing	94
Treatment				< 0.001
Resection only	252 (67.4%)	175 (59.7%)	77 (95.1%)
Resection with ablation	22 (5.9%)	19 (6.5%)	1 (1.2%)
Ablation only	100 (26.7%)	99 (33.8%)	3 (3.7%)
Perioperative SYS				< 0.001
Yes	189 (51.2%)	108 (37.5%)	81 (100%)
No	180 (48.8%)	180 (62.5%)
Missing	2

CEA carcinoembryonic antigen, CRLM colorectal liver metastases, IQR interquartile range, SYS systemic chemotherapy