Table 2.

Comparison of organ metastasis patterns between male and female patients with colon cancer.

Variable	Male		Female		P value
	N = 10320		N = 8817
	n	%	n	%
Bone metastasis only	100	0.97	71	0.81	0.230∗
Brain metastasis only	34	0.33	47	0.53	0.031∗
Liver metastasis only	7107	68.87	6039	68.49	0.579∗
Lung metastasis only	568	5.50	593	6.73	<.001∗
Bone and brain	4	0.04	4	0.05	0.824∗
Bone and liver	275	2.66	196	2.22	0.049∗
Bone and lung	52	0.50	40	0.45	0.617∗
Brain and liver	29	0.28	23	0.26	0.790∗
Brain and lung	22	0.21	17	0.19	0.756∗
Liver and lung	1826	17.69	1564	17.74	0.936∗
Bone, brain, and liver	11	0.11	8	0.09	0.729∗
Bone, brain, and lung	6	0.06	4	0.05	0.700∗
Bone, liver, and lung	222	2.15	165	1.87	0.171∗
Brain, liver, and lung	40	0.39	36	0.41	0.820∗
Bone, brain, liver, and lung	24	0.23	10	0.11	0.051∗
One site metastasis	7809	75.67	6750	76.56	0.151∗
Two site metastasis	2208	21.40	1844	20.99	0.498∗
Three site metastasis	279	2.70	213	2.42	0.210∗
Four site metastasis	24	0.23	10	0.11	0.051∗

^∗Pearson chi-squared test.