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

Table 2

Characteristics of patients with colorectal cancer (N = 535).

Variable	CHM users (N = 147)		CHM nonusers (N = 388)
	No.	%	No.	%
Age (years)					0.075
≤45	10	6.8	33	8.5
46–65	64	43.5	128	33.0
≥66	73	49.7	227	58.5
Sex					0.851
Male	79	53.7	205	52.8
Female	68	46.3	183	47.2
Clinical stage					0.774
I	30	20.4	71	18.3
II	22	15.0	67	17.3
III	64	43.5	158	40.7
IV	31	21.1	92	23.7
Treatment
Surgery	137	93.2	359	92.5	0.790
Radiotherapy	49	33.3	105	27.1	0.153
Chemotherapy	115	78.2	273	70.4	0.069
Distant metastases	31	21.1	92	23.7	0.520
Comorbidity score 1	18	12.2	22	5.7	0.010
Comorbidity score 2	8	5.4	20	5.2	0.894
Comorbidity score 6	9	6.1	18	4.6	0.659

CHM : Chinese herbal medicine. Comorbidity score 1: myocardial infarction, congestive heart failure, peripheral vascular disease, cerebrovascular disease, dementia, chronic pulmonary disease, rheumatologic disease, peptic ulcer disease, mild liver disease, and diabetes. Comorbidity score 2: diabetes with chronic complication, hemiplegia or paraplegia, renal disease, and malignancy (including leukemia and lymphoma). Comorbidity score 6: metastases solid tumor and acquired immune deficiency syndrome.