Permanência, custo e mortalidade relacionados às internações cirúrgicas pelo Sistema Único de Saúde

to analyze the time trend of surgical admissions by the Unified Health System according to hospital stay, costs and mortality by subgroups of surgical procedures in Brazil.ecological study of time series. The variables surgical hospitalization, permanence, cost and mortality were obtained from the Department of Informatics of the Unified Health System. The trend analysis used the polynomial regression model.in nine years, 37,565,785 surgical...