Made available in DSpace on 2021-06-25T10:11:19Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-09-01; Fundação de Amparo à Pesquisa do Estado de Alagoas; Background: Infection control interventions can be erroneously interpreted if outcomes are assessed in short periods. Also, statistical methods usually applied to compare outcomes before and after interventions are not appropriate for analyzing time se...