0 0.5 1 1.5+ All studies 60% 105 220,423 Improvement, Studies, Patients Relative Risk Primary outcome 51% 105 220,380 Mortality 47% 53 123,452 Ventilation 35% 20 37,217 ICU admission 40% 15 28,149 Hospitalization 34% 30 122,275 Recovery 38% 39 13,227 Cases 81% 16 13,696 Viral clearance 42% 32 4,378 RCTs 52% 52 17,642 Peer-reviewed 59% 89 133,335 Prophylaxis 85% 17 19,764 Early 61% 40 136,434 Late