Retrospective 186 hospitalized patients in Pakistan showing unadjusted HCQ mortality RR 1.45, p = 0.07. Confounding by indication is likely.
risk of death, 45.0% higher, RR 1.45, p = 0.07, treatment 40 of 94 (42.6%), control 27 of 92 (29.3%).
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
This study is excluded in the after exclusion results of meta
substantial unadjusted confounding by indication likely, significant unadjusted confounding possible, unadjusted results with no group details.
Sarfaraz et al., 1/2/2021, retrospective, Pakistan, South Asia, preprint, 7 authors, average treatment delay 7.0 days.