TLDR: French publication, non randomized 181 patients (hospitalized with pneumonia and O2 requirement) with control group (84 with HCQ, 97 without HCQ), no efficacy but adverse effects for some.
If this is accurate, perhaps the title could be edited to reflect the fact that it's a single study?
It is, but these studies are done in a european setting, so more results may be coming.
All the HQC results other than the heart problems (a known side effect) were slightly better, just not enough so to be statistically significant, I guess.
They are also quite likely correlated. If, by random chance, you have healthier people in one group than the other, it's likely they will have better outcomes in most categories.
According to Dr. Raoul - If the virus is no longer active indeed it doesn't help, but they already know that.