TABLE 1.

Clinicopathological characteristics and preoperative laboratory parameters of patients with colon cancer liver-only metastases.

Parameters		N (%)	Median (range)	Cut-off value RFS/OS
Age (yrs)			65 (38–80)	62/66
	<62	23 (34)
	≥62	44 (66)
	<66	35 (52)
	≥66	32 (48)
Gender
	male	36 (54)
	female	31 (46)
Type of surgery used for metastasectomy
	laparoscopy	11 (16)
	open	56 (84)
Resection margin
	R0	46 (69)
	R1	21 (31)
Synchronicity of primary surgery and metastasectomy
	synchronous	7 (10)
	metachronous	60 (90)
Preoperative (metastasectomy) chemotherapy ± targeted therapy
	none	16 (24)
	yes	51 (76)
	targeted	43 (84)
Postoperative (metastasectomy) chemotherapy ± targeted therapy
	none	18 (27)
	yes	49 (73)
	targeted	27 (55)
Pre- or postoperative chemotherapy ± targeted therapy
	none	3 (4)
	yes	64 (96)
	targeted	48 (75)
WBC (G/l)			6.8 (3.5–12.5)	6.8/7.1
	<6.8	32 (48)
	≥6.8	35 (52)
	<7.1	35 (52)
	≥7.1	32 (48)
neutrophil (G/l)			4.3 (1.2–9.2)	4/4.8
	<4	27 (40)
	≥4	40 (60)
	<4.8	41 (61)
	≥4.8	26 (39)
lymphocyte (G/l)			2 (0.8–3.7)	1.94/2
	<1.94	32 (48)
	≥1.94	35 (52)
	<2	36 (54)
	≥2	31 (46)
platelet (G/l)			244 (105–446)	210/184
	<210	20 (30)
	≥210	47 (70)
	<184	10 (15)
	≥184	57 (85)
NLR			2 (0.7–8.8)	2/1.7
	<2	30 (45)
	≥2	37 (55)
	<1.7	18 (27)
	>1.7	49 (73)
SII (G/l)			502 (125–1952)	535/290
	<535	39 (58)
	≥535	28 (42)
	<290	9 (16)
	≥290	58 (84)
GOT (U/l)			25 (13–343)	24/24
	<24	22 (37)
	≥24	37 (63)
	NA	8
GPT (U/l)			22 (9–296)	31/17
	<31	48 (80)
	≥31	12 (20)
	<17	14 (23)
	≥17	46 (77)
	NA	7
Site of progression
	liver	33 (63)
	lung	5 (10)
	liver+lung	7 (13)
	other	7 (13)
Extent of progression
	single	41 (61)
	multiple	11 (16)
	none	15 (22)