One‐way sensitivity analysis showing all parameters contributing to hepatitis C virus treatment cost. (), Weekly cost of direct‐acting antiviral (DAA) (3847.0–11 628.0); (), probability of sustained virological response (SVR) with pegylated interferon and ribavirin (PR) at week 24 (0.67–0.84); (), utility of chronic hepatitis C infection (0.84–1.0); (), weekly cost of outpatient visits while on PR (6.9–345.0); (), disutility associated with using PR (0.091–0.121); (), weekly cost of hospitalization while on PR (0.0–281.4); (), disutility of treatment failure (0.06–0.16); (), utility of SVR (0.92–1.0); (), weekly cost of Pegylated interferon + ribavirin (429.5–642.8); (), probability of SVR with DAA at week 12 (0.93–0.98); (), weekly cost of hospitalization while on DAA (0.0–396.5); (), weekly cost of emergency department (ED) visit while on DAA (0.0–243.2); (), weekly cost of outpatient visits while on DAA (61.2–299.2); (), weekly cost of erythropoietin while on PR (0.0–21.3); (), weekly cost of filgrastim while on PR (0.0–19.6); (), probability of SVR with DAA at week 36 (0.84–0.91); (), weekly cost of ED visit while on PR (0.0–55.0); (), probability of SVR with DAA at week 24 (0.95–0.96).