Integrated Chinese Herbal Medicine and Western Medicine on the Survival in Patients with Colorectal Cancer: A Retrospective Study of Medical Records

Table 1

Comparison of age and sex distribution of the 1,209 patients with colorectal cancer identified from the Taiwan Cancer Registry and the 535 patients included in this study.

Variable	Source population (N = 1209)		Study sample (N = 535)
	No.	%	No.	%
Age (years)					0.110
≤45	93	7.7	43	8.0
46–65	442	36.5	192	35.9
≥66	674	55.7	300	56.1
Sex					0.969
Male	643	53.2	284	53.1
Female	566	46.8	251	46.9