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All Studies   Meta Analysis   Recent: 
0 0.5 1 1.5 2+ Mortality 9% Improvement Relative Risk Hospitalization 2% Symptomatic case -9% Case -7% c19aspirin.com Ma et al. Aspirin for COVID-19 Prophylaxis Favors aspirin Favors control
Ma, 77,221 patient aspirin prophylaxis PSM study: 9% lower mortality [p=0.12], 2% lower hospitalization [p=0.47], 9% more symptomatic cases [p=0.18], and 7% more cases [p=0.09] https://c19p.org/ma3
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Sex Differences in Association Between Anti-Hypertensive Medications and Risk of COVID-19 in Middle-Aged and Older Adults
Ma et al., Drugs & Aging, doi:10.1007/s40266-021-00886-y
18 Aug 2021    Source   PDF   Share   Tweet
UK Biobank retrospective 77,271 patients aged 50-86, showing no significant differences with aspirin use. Matching lead to different results for the gender vs. overall analysis, for example the overall result for cases was OR 1.07, however both gender results are lower OR 0.97 and 1.02.
risk of death, 9.0% lower, OR 0.91, p = 0.12, treatment 12,471, control 64,750, RR approximated with OR.
risk of hospitalization, 2.0% lower, OR 0.98, p = 0.47, treatment 12,471, control 64,750, RR approximated with OR.
risk of symptomatic case, 9.0% higher, OR 1.09, p = 0.18, treatment 12,471, control 64,750, RR approximated with OR.
risk of case, 7.0% higher, OR 1.07, p = 0.09, treatment 12,471, control 64,750, RR approximated with OR.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Ma et al., 8/18/2021, retrospective, propensity score matching, United Kingdom, Europe, peer-reviewed, 9 authors.
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