Research Article

Hepatitis C Virus Screening of High-Risk Patients in a Canadian Emergency Department

Table 2

Effect of defined risk factors on the likelihood of testing positive for HCV antibodies by POCT.

Risk factorPresent (N)HCV+Risk (%)Absent (N)HCV+Risk (%)Difference (%)RR

IDU26415.411621.713.710.40.01
Incarceration4137.310133.04.32.50.24
Geographic6311.68156.2−4.60.30.17
Transfusion2813.611654.3−0.70.80.66

RR = risk ratio.