Management and Treatment of Hepatitis C Viral Infection: Table 1

Hepatitis C

for Health Care Providers

Management and Treatment of Hepatitis C Viral Infection

October 2006

Table 1. Grading System Adapted from the AASLD Practice Guidelines on the Diagnosis, Management, and Treatment of Hepatitis C (7)
Grade	Definition
I	Randomized, controlled trials
II-1	Controlled trials without randomization
II-2	Cohort or case-control analytic studies
II-3	Multiple time-series, dramatic uncontrolled experiments
III	Opinions of respected authorities, descriptive epidemiology