Wang (DB RCT)35%0.65 · 0.43–0.97recov. time20 (n)20 (n) Wang (DB RCT)21%0.79 · 0.67–0.95viral load20 (n)20 (n) Wang (DB RCT)11%0.89 · 0.74–1.07viral load20 (n)20 (n) Wang (DB RCT)52%0.48 · 0.22–1.00viral+20 (n)20 (n) Wang (DB RCT)80%0.20 · 0.09–0.45viral+20 (n)20 (n) Zhan (DB RCT)17%0.83 · 0.74–0.93no recov.680 (n)679 (n) Zhan (DB RCT)14%0.86 · 0.77–0.97no recov.680 (n)679 (n) Zhan (DB RCT)21%0.79 · 0.63–0.98no recov.111/680141/679 Zhan (DB RCT)22%0.78 · 0.60–1.01no recov.89/680114/679 Zhan (DB RCT)16%0.84 · 0.73–0.96viral+231/680275/679