Table 1.

Clinical features of the patients in the validation cohorts.

Variables	CRC control (n = 47)	Response group (n = 72)	Resistance group (n = 67)	P-value*
Age (years)
Mean (SD)	60.91 (6.068)	57.88 (9.246)	60.43 (9.767)	0.283
>60, No.	23	37	37
<60, No.	24	35	30
Sex, no.				0.969
Male	26	40	37
Female	21	32	30
Localization				0.959
Rectum	28	39	36
Colon	19	33	31
Histological grade, no.				0.883
Middle-Low	33	43	42
High	14	29	25
TNM stage, no.
III	23	31	25	0.49
IV	24	41	42
Chemotherapy program				0.464
FOLFOX		41	34
XELOX		31	33
Clinical evaluation
Response		72	0
Resistance		0	67

^*Two-sided X²-test between response group and resistance group.