<p>We used secondary data from monthly disease surveillance reports from the District Health Information System (DHIS2) for 2017-2021. A severe malaria case was defined as any admission with microscopy-confirmed or rapid diagnostic-test-confirmed malaria during the study period. We calculated proportions of malaria cases that progressed to severe malaria for each year using severe malaria cases as the numerator and total outpatient cases as the denominator. Logistic regression was used to evaluate trends by administrative levels and by health facility type (public or private).</p>