Chinese Herbal Medicine Ameliorated the Development of Chronic Kidney Disease in Patients with Chronic Hepatitis C: A Retrospective Population-Based Cohort Study

Table 3

The CHM effect on CKD in subgroups.

Subgroup	Non-CHM users			CHM users			Crude HR (95%)	Adjusted HR (95%)^§
	Event no.	PY	IR	Event no.	PY	IR
HBV	111	4216	2.63	134	5562	2.41	0.89(0.69–1.15)	0.81(0.62–1.05)
HCV	153	3384	4.52	281	8637	3.25	0.72 (0.59–0.88)	0.65 (0.53–0.8)
HBV and HCV	54	1469	3.68	37	1334	2.77	0.75 (0.49–1.14)	0.6 (0.39–0.92)

HBV, hepatitis B virus; hepatitis C virus; PY, person year; IR, incidence rate/per 100 person-years; HR, hazard ratio; CI, confidence interval. ^§Cox model adjusted with gender, age, urbanization, comorbidity, and medication. ; ; .