Chinese Herbal Medicine as an Adjunctive Therapy Ameliorated the Incidence of Chronic Hepatitis in Patients with Breast Cancer: A Nationwide Population-Based Cohort Study

Table 1

Characteristics of breast cancer patients according to use and nonuse of Chinese herb.

Variable	Breast cancer patients				value
	Chinese herb used
	No ( = 6928)		Yes ( = 6928)
		%		%
Age group					0.99
18–39	1056	15.24	1056	15.24
40–59	5377	77.61	5377	77.61
≥60	495	7.14	495	7.14
Mean ± SD (years)	49.59 (9.73)		49.56 (9.73)		0.8371
Baseline CCI score					0.99
0	6491	93.69	6491	93.69
1	227	3.28	227	3.28
≥2	210	3.03	210	3.03
Treatment
Radiotherapy					0.99
No	3137	45.28	3137	45.28
Yes	3791	54.72	3791	54.72
Chemotherapy					0.99
No	1291	18.63	1291	18.63
Yes	5637	81.37	5637	81.37
Drug used
Fluorouracil	1275	18.4	2166	31.26	<0.0001
Gemcitabine	353	5.1	562	8.11	<0.0001
Capecitabine	601	8.67	804	11.61	<0.0001
Cyclophosphamide	1336	19.28	2466	35.59	<0.0001
Tamoxifen	3105	44.82	3842	55.46	<0.0001
Letrozole	855	12.34	1155	16.67	<0.0001
Trastuzumab	483	6.97	594	8.57	0.0004
Follow time (mean, median)	2.73 (1.94)		4.32 (3.55)

Chi-square test;-test.