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Revista de Gastroenterología del Perú

versão impressa ISSN 1022-5129

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BARRERA MELGAREJO, Elizabeth; RODRIGUEZ CASTRO, Manuel; BORDA LUQUE, Giuliano  e  NAJAR TRUJILLO, Néstor. Predictive mortality value of the peritonitis index of mannheim. Rev. gastroenterol. Perú [online]. 2010, vol.30, n.3, pp.219-223. ISSN 1022-5129.

OBJECTIVE: To determine the predictive value of the index of peritonitis of Mannheim in patients with peritonitis in the Hospital Nacional Cayetano Heredia. PATIENTS AND METHODS: A prospective study appears, of 103 patients, greater of 14 years, with I diagnose of peritonitis, between November 2004 to April 2005. For its analysis I am used the square test of chi with coefficient of Pearson, and the test of T of student. For the analysis of the data two modalities were used, the first patients were divided in 3 groups, according to the value of the index of Mannheim, < 21, of 21 to 29, and > 29, and in 2 groups, ≤ 26 and > 26 points. I am made considered of survival of Kaplan the Meier, using statistical program STATA 8.0 RESULTS: a mortality of 50% in patients with greater index of 26 points was obtained. One was a sensitivity 95.9%, a specificity of 80%, with positive a predictive value 98.9% and a negative predictive value of 50%. When considering 3 groups, < 21, 21-29 and > 29 points, was a mortality of 60% in patients with greater index of 29. I am made a survival curve obtaining itself a significant difference with a p=0, 0098.Figure 2. CONCLUSIONS: We found that the classification in 3 groups presents statistically significant difference, reason why recommended its use for the evaluation and beginning of aggressive measures.

Palavras-chave : index of Mannheim; peritonitis; mortality.

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