The control group is not randomized, and most of it is in another(s) hospital(s).
They are not counting the 6 patients that they lost in the treatment group (2 leave, 3 where transfer to ICU, 1 die). It is more strange that they didn't lost any patient in the control group.
It's strange that they use an antibiotic against a viral infection.
There definitely needs to be more randomized trials regarding hydroxychloroquine. It can have adverse side-effects on the eyes and/or kidneys. It is not a benign compound.
They are not counting the 6 patients that they lost in the treatment group (2 leave, 3 where transfer to ICU, 1 die). It is more strange that they didn't lost any patient in the control group.
It's strange that they use an antibiotic against a viral infection.
More discussion in https://news.ycombinator.com/item?id=22624955