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Learning Objective 1: The learner will be able to: 1. Describe characteristics of the NDAS–Version 2;
Learning Objective 2: 2. Discuss predict factors related to diagnostic accuracy.
Methods: A documental study conducted in a public teaching hospital in São Paulo, Brazil. The accuracy of nursing diagnoses documented was estimated by applying the NDAS-Version 2. The study sample was the admission records of adult patients hospitalized between July 2005 and June 2008. Association tests were performed between the degree of accuracy of diagnoses and variables of the diagnoses, of the patients, of the admission records, and of the nurses
Results: In 749 admission records that were evaluated, 3.417 diagnoses were documented by 21 nurses. The most nursing diagnoses were evaluated as highly accurate (70.4%). The model with variables of the diagnoses showed that diagnoses of low frequency (p = 0.000), diagnoses of the functional domain (p = 0.000) and actual diagnoses (p = 0.000) were predictors of a higher degrees of accuracy; the model with variables of patients and admission records showed that chronic diseases (p = 0.000), admissions to the general medical ward (p = 0.000) and a good quality of the patient records (p=0.005) were predictors of higher accuracy; and the model with variables of the nurses showed that reporting presence of theoretical and practical content of nursing diagnosis in the baccalaureate program (p = 0.011) was predictor of higher degrees of accuracy. The ICC coefficient of intra and interrater was 0.96 and 0.71, therefore demonstrating good reliability of the NDAS-Version 2.
Conclusion: This study provided empirical data to advance knowledge regarding predictors of the accuracy of nursing diagnoses.