Clinical characteristics of 17 patients with COVID-19 and systemic autoimmune diseases: a retrospective study
et al., Annals of the Rheumatic Diseases 2020:79, 1163-1169,
Analysis of 1255 COVID-19 patients in Wuhan Tongji Hospital finding 0.61% with systemic autoimmune diseases, much lower than authors expected (3%–10%). Authors hypothesise that protective factors, such as CQ/HCQ use, reduce hospitalization.
risk of hospitalization, 80.0% lower, RR 0.20, p < 0.001, treatment 8, control 1,247.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
This study is excluded in the after exclusion results of meta
significant unadjusted confounding possible.
Huang et al., 6/16/2020, retrospective, China, Asia, peer-reviewed, 15 authors.