Table 2. Univariate survival analysis of clinicopathological features in 363 patients with CRC (log-rank test).

Variables	All cases	Mean survival (months)	Chi-square value	P valued
Gender			0.915	0.339
Female	154	94.34±3.93
Male	209	99.33±3.22
Age1, years			6.26	0.012a
≤60	183	102.32±3.41
>60	180	91.87±3.62
Tumor size2			0.122	0.727
≤4 cm	192	99.43±3.27
>4 cm	171	94.73±3.82
Tumor differentiation			7.95	0.005b
Well	32	113.24±6.06
Moderate	307	97.67±2.68
Poor	24	67.88±11.21
Infiltration type			1.778	0.182
Infiltration	19	82.67±10.56
Ulcerative	206	96.20±3.32
Uplift	138	99.42±3.95
pT stage			31.19	0.000c
T1	10	119.50±8.33
T2	81	115.20±4.04
T3	106	106.28±4.04
T4	166	80.44±3.93
pN stage			34.66	0.000c
N0	206	109.05±2.77
N1	103	88.98±4.85
N2	54	64.87±7.15
pM stage			59.65	0.000c
M0	295	105.33±2.44
M1	68	58.79±6.38
Clinical stage			52.21	0.000c
I	66	118.45±3.81
II	123	108.24±3.37
III	106	92.25±4.65
IV	68	58.79±6.38
Relapse			84.67	0.000c
No	287	106.76±2.62
Yes	76	59.44±4.52
Vascular invasion			64.59	0.000c
No	255	109.61±2.54
Yes	108	68.01±4.81
Nerve invasion			37.26	0.000c
No	224	109.26±2.71
Yes	139	76.76±4.28
Serosa invasion			36.43	0.000c
No	195	111.46±2.85
Yes	168	80.71±3.89
CFIm25 expression			14.97	0.000c
Low	219	88.53±3.38
High	144	110.69±3.32

Age¹: median; Tumor size²: median; ^aP<0.05, ^bP<0.01, ^cP<0.001. ^dLog-rank test. CRC, colorectal cancer; CFIm25, Cleavage Factor Im 25.