Remember Dr. Raoult? They did a retrospective analysis on the HCQ Zpack treatments. 3,737 patients in total.
0.9% died.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7315163/
Outcomes of 3,737 COVID-19 patients treated with hydroxychloroquine/azithromycin and other regimens in Marseille, France: A retrospective analysis
The patients’ mean age was 45 (sd 17) years, 45% were male, and the case fatality rate was 0.9%.
I ain't very good at maths. What does that make the success rate?