Headache May Predict Better Survival for Inpatients With COVID-19
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Headache as a symptom of COVID-19 could help predict survival for inpatients with the disease, according to recent research published in the journal Headache. In the systematic review and meta-analysis, Víctor J. Gallardo, MSc, of the headache and neurologic pain research group, Vall d'Hebron Research Institute at the Universitat Autònoma de Barcelona, and colleagues performed a search of studies in PubMed involving headache symptoms, disease survival, and inpatient COVID-19 cases published between December 2019 and December 2020. Overall, 48 studies were identified, consisting of 43,169 inpatients with COVID-19. Using random-effects pooling models, Gallardo and colleagues estimated the prevalence of headache for inpatients who survived COVID-19, compared with those who did not survive.
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@tausha Within those studies, 35,132 inpatients (81.4%) survived, while 8,037 inpatients (18.6%) died from COVID-19. The researchers found that inpatients with COVID-19 and headache symptoms had a significantly higher survival rate compared with inpatients with COVID-19 without headache symptoms (risk ratio, 1.90; 95% confidence interval, 1.46-2.47; P < .0001). There was an overall pooled prevalence of headache as a COVID-19 symptom in 10.4% of inpatients, which was reduced to an estimated pooled prevalence of 9.7% after the researchers removed outlier studies in a sensitivity analysis.