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Table 2 sensitivity, specificity, PPV, NPV and accuracy of epigastric auscultation and capnography in assessing the nasogastric tube placement in the ICU patients

From: The comparison of capnography and epigastric auscultation to assess the accuracy of nasogastric tube placement in intensive care unit patients

VariablesSensitivity%Specificity%PPV%NPV%Accuracy%
Capnography10092.586.910095
Epigastric auscultation908069.294.183.4