Retrospective database analysis of 56 mild COVID-19 patients, all treated with vitamin C, vitamin D, and zinc, comparing ivermectin + doxycycline (n=14), AZ (n=13), HCQ (n=14), and SOC (n=15), finding that all groups recover quickly, and there was no significant difference between the groups.
Roy et al., 3/12/2021, retrospective, database analysis, India, South Asia, preprint, 5 authors, dosage not specified.
relative time to clinical response of wellbeing, 2.4% lower, relative time 0.98, p = 0.96, treatment 14, control 15.
This study is excluded in the after exclusion results of meta analysis: no serious outcomes reported and fast recovery in treatment and control groups, there is little room for a treatment to improve results.
Effect extraction follows pre-specified rules
prioritizing more serious outcomes. For an individual study the most serious
outcome may have a smaller number of events and lower statistical signficance,
however this provides the strongest evidence for the most serious outcomes
when combining the results of many trials.