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Article derived from the research: Review of the defining characteristics and factors related to nursing diagnoses sedentary lifestyle in individuals with hypertension. Conflicts of interest: none.Received on: January 21, 2015. Classification tree for the assessment of sedentary lifestyle among hypertensiveObjective. To develop a classification tree of clinical indicators for the correct prediction of the nursing diagnosis "Sedentary lifestyle" (SL) in people with high blood pressure (HTN). Methods. A crosssectional study conducted in an outpatient care center specializing in high blood pressure and Mellitus diabetes located in northeastern Brazil. The sample consisted of 285 people between 19 and 59 years old diagnosed with high blood pressure and was applied an interview and physical examination, obtaining sociodemographic information, related factors and signs and symptoms that made the defining characteristics for the diagnosis under study. The tree was generated using the CHAID algorithm (Chi-square Automatic Interaction Detection). Results. The construction of the decision tree allowed establishing the interactions between clinical indicators that facilitate a probabilistic analysis of multiple situations allowing quantify the probability of an individual presenting a sedentary lifestyle. The tree included the clinical indicator Choose daily routine without exercise as the first node. People with this indicator showed a probability of 0.88 of presenting the SL. The second node was composed of the indicator Does not perform physical activity during leisure, with 0.99 probability of presenting the SL with these two indicators. The predictive capacity of the tree was established at 69.5%. Conclusion. Decision trees help nurses who care HTN people in decisionmaking in assessing the characteristics that increase the probability of SL nursing diagnosis, optimizing the time for diagnostic inference.

four characteristics of high specificity contribute to Hyperthemia. However, stupor is the only one with significant sensitivity to identify it at its early-stage.