Table 1. Relationship of BCL-9 expression and clinicopathological parameters in colorectal cancer patients (n = 284).

Variable	n	BCL-9 expression			p-value
		−	+	++
Gender					0.894*
Male	166	98	48	20
Female	118	68	37	13
Age (yr)					0.132*
< 65	161	101	42	18
≥ 65	123	65	43	15
Invasion depth					0.000**
T1	3	3	0	0
T2	82	66	13	3
T3	195	97	71	27
T4	4	0	1	3
Lymph node metastasis					0.000**
N0	205	132	55	18
N1	71	34	24	13
N2	8	0	6	2
Distant metastasis					0.191*
M0	282	166	83	33
M1	2	0	2	0
AJCC TNM stage					0.000**
I	72	62	7	3
II	133	70	47	16
III	77	34	29	14
IV	2	0	2	0
Tumor pathological type					0.527**
Adenocarcinoma	258	148	80	30
Mucinous adenocarcinoma	15	10	3	2
Papillary adenocarcinoma	9	7	1	1
Undifferentiated carcinoma	1	0	1	0
Signet-ring cell carcinoma	1	0	0	1

* using Mann-Whitney U test;

** using Kruskal-Wallis test.