Table 1.

Patients (n = 34) Basic Information in Different Groups.

Characteristics	QX group N (SD/%)* (n = 15)	Control group N (SD/%) (n = 19)	P value***
Gender
Male	12 (80)	12 (63.2)	.29
Female	3 (20)	7 (36.8)
Age (year’ old)	61 (19)	64 (12)	.64
Primary tumor site
Right colon	4 (26.7)	6 (31.6)	.27
Left colon	6 (40)	3 (15.8)
Rectum	5 (33.3)	10 (52.6)
Metastasis site**
Lung (n = 13)	8 (57.1)	5 (27.8)	.09
Liver (n = 12)	2 (14.3)	10 (58.8)	.011
Other (n = 10)	4 (28.6)	6 (33.3)	.77

^*The proportions (%) were calculated with cases of certain characters and participants analyzed in each group.

^**Comparisons were done within patients who had lung, liver or other metastatic sites respectively because multiple metastatic sites might exist for 1 patient.

^***Statistical significance was set at P = .05.