They weren't looking at the effects on mortality. They looked at TTCR ("the return of body temperature and cough relief, maintained for more than 72

They weren't looking at the effects on mortality. They looked at TTCR ("the return of body temperature and cough relief, maintained for more than 72 h") and radiological changes. They found a decently large effect in both of these. The meaningful conclusion is "Considering that there is no better option at present, it is a promising practice to apply HCQ to COVID-19 under reasonable management."