• Domingos Pinto, Patrícia de Oliveira Salgado, and Tânia Couto Machado Chianca.
• Hospital Municipal Odilon Behrens, Brazil.
• Rev Lat Am Enfermagem. 2012 Nov 1; 20 (6): 1041-7.

Objectiveto assess the predictive validity of the Manchester Triage System implemented in a municipal hospital in Belo Horizonte, MG, Brazil.Methodcohort prospective and analytical study. The sample of 300 patients was stratified by color groups. The outcome measured was the scores, obtained by patients in each classification group in the Therapeutic Intervention Scoring System--28, 24 hours after admission to the emergency department.ResultsA total of 172 (57%) patients were men and the average age of all patients was 57.3 years old. The median score concerning the severity of their conditions was 6.5 points in the yellow group, 11.5 in the orange group, and 22 points in the red group. Statistically significant differences were found among the three groups (p<0.001).Conclusionthe data confirm that the conditions of patients within the color groups progressed at different levels of severity.

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