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Aspirin study #13 of 13   All Outcomes
9/4 Pre-Exposure Prophylaxis study (treated before exposed to the virus)
Kim et al., Medicina, doi:10.3390/medicina57090931 (Peer Reviewed)
Aspirin Is Related to Worse Clinical Outcomes of COVID-19
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Retrospective database analysis of 22,660 patients tested for COVID-19 in South Korea. There was no significant difference in cases according to aspirin use. Aspirin use before COVID-19 was related to an increased death rate and aspirin use after COVID-19 was related to a higher risk of oxygen therapy.
Kim et al., 9/4/2021, retrospective, propensity score matching, South Korea, Asia, peer-reviewed, 7 authors.
risk of death, 700.0% higher, RR 8.00, p = 0.03, treatment 6 of 15 (40.0%), control 1 of 20 (5.0%), PSM, prior aspirin use.
risk of mechanical ventilation, 433.3% higher, RR 5.33, p = 0.14, treatment 4 of 15 (26.7%), control 1 of 20 (5.0%), PSM, prior aspirin use.
risk of ICU admission, 433.3% higher, RR 5.33, p = 0.14, treatment 4 of 15 (26.7%), control 1 of 20 (5.0%), PSM, prior aspirin use.
risk of COVID-19 case, 33.4% lower, RR 0.67, p = 0.23, treatment 15 of 136 (11.0%), control 20 of 136 (14.7%), adjusted per study, odds ratio converted to relative risk, PSM, logistic regression, prior aspirin use.
risk of death, 33.7% lower, RR 0.66, p = 0.22, treatment 14 of 124 (11.3%), control 23 of 135 (17.0%), PSM, aspirin treatment after diagnosis.
risk of mechanical ventilation, 102.2% higher, RR 2.02, p = 0.16, treatment 13 of 124 (10.5%), control 7 of 135 (5.2%), PSM, aspirin treatment after diagnosis.
risk of ICU admission, 90.5% higher, RR 1.91, p = 0.36, treatment 7 of 124 (5.6%), control 4 of 135 (3.0%), PSM, aspirin treatment after diagnosis.
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.
All 13 studies   All Outcomes
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