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Learning Objective 1: To see the use of NANDA-I in the conditions of the Slovak Republic.
Learning Objective 2: To see which defining characteristics of acute confusions are considered to be the major ones by the experts.
Methods: The sample included 139 experts. The experts were the nurses who obtained minimally four points in accordance with the modified Fehring criteria for the conditions in the Slovak Republic and the Czech Republic. We used the Fehring´s Diagnostic Content Validity Model for content validation. To evaluate the significance of the defining characteristics, we developed the measurement tool that included 20 items. It consisted of 11 defining characteristics of Acute Confusion from the NANDA-I (North American Nursing Diagnosis Association International), four criteria from the CAM scale (Confusion Assessment Method) and five criteria from the International Statistical Classification of Diseases and Related Health Problems 10th (ICD-10).
Results: Global disturbance of cognition (0.78), increased restlessness (0.77), disorganised thinking or incoherent speech (0.77), and hallucinations (0.76), which are identical with the characteristics of Acute Confusion, were considered to be the major defining characteristics (the weighted score greater than 0.75) by the experts. None of the defining characteristics had the value of the weighted score below 0.50.
Conclusion: The experts confirmed the validity of all the defining characteristics of nursing diagnosis Acute Confusion, but they did not considered them to be equally significant.