id author title date pages extension mime words sentences flesch summary cache txt cord-317624-qdzhncs0 Choi, Min Joo Comparison of antiviral effect for mild-to-moderate COVID-19 cases between lopinavir/ritonavir versus hydroxychloroquine: A nationwide propensity score-matched cohort study 2020-10-27 .txt text/plain 4287 228 49 METHODS: Nationwide retrospective case-control study was conducted to compare the effect of HCQ and LPV/r on viral shedding duration among patients with mild-to-moderate COVID-19 using the reimbursement data of National Health Insurance Service. This study aimed to compare the effect of HCQ and LPV/r on the viral shedding duration among patients with mild-to-moderate COVID-19 cases using South Korea's National Health J o u r n a l P r e -p r o o f Insurance Service (NHIS) database. Among these, only mild-to-moderate grade 1 patients were included in the analysis, and the effect of LPV/r or HCQ use on viral shedding duration was evaluated ( Figure 1 ). In the previous studies including mild COVID-19 patients in CTCs, the mean viral shedding duration from symptom onset was 21-24.5 days, which is longer than the results of our control group , Noh et al., 2020 . ./cache/cord-317624-qdzhncs0.txt ./txt/cord-317624-qdzhncs0.txt