Novel Model to Predict the Prognosis of Patients with Stage II–III Colon Cancer

Table 1

Clinicopathological characteristics of stage II-III colon cancer patients.

Variables		Training	Validation
Sex	Male	353	89
	Female	213	41
Age	<60	303	61
	≥60	263	49
Tumour site	Left colon	285	50
	Right colon	281	60
BMI (kg/m^2)		21.3	21.0
Intestinal obstruction	Absent	463	82
	Present	103	28
ASA grade	1	295	54
	2	235	45
	3	36	11
Comorbidities	Absent	51	12
	Present	514	98
PLR		206	214
NLR		3.2	4.5
CAR	<0.14	242	41
	≥0.14	324	69
CEA (median, mg/ml)		15.6	15.4
CA199 (median, mg/ml)		38	29
Postoperative chemotherapy	Absent	124	14
	Present	442	96
Operation mode	Open	170	27
	Laparoscopic	396	83
LNDs		19	17
T-stage	T1-2	30	5
	T3	212	42
	T4	324	63
LNM	Absent	348	67
	Present	218	43
LVI	Absent	285	69
	Present	281	41
PNI	Absent	247	39
	Present	319	71

LND: lymph node dissection; LNM: lymph node metastasis; LVI: lymphovascular invasion; PNI: perineural invasion.