Table 2.
Hepatitis C virus antibody testing and outcomes in Texas, by risk factor, 2000–2005
a
Enzyme-linked immunosorbent assay (ELISA) signal-to-cutoff ratio greater than 4.0 or positive recombinant immunoblot assay (RIBA).
b
Any history of injection drug use.
c
Blood transfusion, tissue, or organ transplant before 1992.
d
Fifty or more sexual partners in a lifetime, sex worker, or sex with an HCV-positive person.
e
Used someone's works or snorting equipment or shared their own.
f
Tattoo or piercing administered under unsanitary conditions, such as on the street or in prison.
g
Trauma, accidental injury.
h
Health-care providers, first responders.
HCV = hepatitis C virus