Analysis of Prognostic Factors for Resected Synchronous and Metachronous Liver Metastases from Colorectal Cancer

Table 1

Patients’ characteristics.

	Synchronous combined surgery () (35.7%)	Synchronous “bowel first” () (20%)	Metachronous () (44.3%)	Total ()	value
Age (years, range)	68 (34–85)	75 (46–82)	70 (52–85)	69.5 (34–85)	0.730
Sex (, %)					0.683
Male	15 (60%)	9 (64.3%)	16 (51.6%)	40 (57.1%)
Female	10 (40%)	5 (35.7%)	15 (48.4%)	30 (42.9%)
Bowel obstruction (, %)	5 (20%)	7 (50%)	7 (22.6%)	19 (27.1%)	0.097
Site of primary tumor (, %)					0.343
Right colon	8 (32%)	2 (14.3%)	11 (35.5%)	21 (30%)
Left colon	17 (68%)	12 (85.7%)	20 (64.5%)	49 (70%)
CHT before liver surgery	2 (8%)	11 (78.6%)	20 (64.5%)	33 (47%)	<0.0001

CHT = chemotherapy.