Table 1.

Univariate analysis results between hMLH1 protein expression and clinicopathological features

	Normal hMLH1 (n=271)	Aberrant hMLH1 (n=56)	Total (n=327)	χ2	P-value
Age (years)				0.439	0.507
<50	66	16	82
≥50	205	40	245
Gender				0.184	0.668
Male	168	33	201
Female	103	23	126
Nationality				1.109	0.775
Han	226	49	275
Uyghur	26	4	30
Hui	11	1	12
Others	8	2	10
Tumor location				14.486	0.001
Right hemicolon	46	22	68
Left hemicolon	88	11	99
Rectal	137	23	160
Tumor size (cm)				1.906	0.386
<4	100	19	119
4-6	103	18	121
≥6	68	19	87
Tissue type				10.487	0.005
Glandular (well/moderately)	191	27	218
Glandular (poorly)	33	11	44
Mucous gland/signet cell	47	18	65
TNM staging				12.508	0.006
I	26	5	31
II	79	29	108
III	130	20	150
IV	36	2	38
T staging				1.620	0.655
T1	15	2	17
T2	32	6	38
T3	62	17	79
T4	162	31	193
N staging				6.834	0.033
N0	114	34	148
N1	90	11	101
N2	67	11	78
Distant metastasis				4.263	0.039
M0	235	54	289
M1	36	2	38
Lymphangion invasion				0.006	0.578
Yes	30	6	36
No	241	50	291
Peripheral nerve infiltration				0.254	0.615
Yes	14	2	16
No	257	54	311