M Salvador Añez

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The present study analyses 197 patients with acute upper GI bleeding; 161 men and 36 women, with mean age of 48 years (range, 2-89). Endoscopy showed a sensitivity of 98.35%; specificity of 33.33%; predictive positive value 94.71%; predictive negative value 62.50%; false positive rate 5.29% and false negative rate 37.50%. 8.93% of patients had been bleeding(More)
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