BMC Med Inform Decis Mak - Artificial neural network models for prediction of cardiovascular autonomic dysfunction in general Chinese population.

Tópicos

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Resumo

CKGROUND: The present study aimed to develop an artificial neural network (ANN) based prediction model for cardiovascular autonomic (CA) dysfunction in the general population.METHODS: We analyzed a previous dataset based on a population sample consisted of 2,092 individuals aged 30-80 years. The prediction models were derived from an exploratory set using ANN analysis. Performances of these prediction models were evaluated in the validation set.RESULTS: Univariate analysis indicated that 14 risk factors showed statistically significant association with CA dysfunction (P<0.05). The mean area under the receiver-operating curve was 0.762 (95% CI 0.732-0.793) for prediction model developed using ANN analysis. The mean sensitivity, specificity, positive and negative predictive values were similar in the prediction models was 0.751, 0.665, 0.330 and 0.924, respectively. All HL statistics were less than 15.0.CONCLUSION: ANN is an effective tool for developing prediction models with high value for predicting CA dysfunction among the general population.

Resumo Limpo

ckground present studi aim develop artifici neural network ann base predict model cardiovascular autonom ca dysfunct general populationmethod analyz previous dataset base popul sampl consist individu age year predict model deriv exploratori set use ann analysi perform predict model evalu valid setresult univari analysi indic risk factor show statist signific associ ca dysfunct p mean area receiveroper curv ci predict model develop use ann analysi mean sensit specif posit negat predict valu similar predict model respect hl statist less conclus ann effect tool develop predict model high valu predict ca dysfunct among general popul

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