Moreover, it is also seen that students lack maths knowledge in respect of four operations and calculating safe dose range. This result means that as dosage calculations are based on decimal values, calculations may be ten times erroneous when the decimal point is placed wrongly. It is seen that in dosage calculations, the students failed mostly in calculating ml/dzy (decimal). When the relation among the questions on medication was examined, a significant relation (correlation) was determined between them. Moreover, student's four operation skills were assessed and 68.2% of the students were determined to have found the correct answer. 65.5% of the answers with regard to Ml/dzy calculation were correct. 69.6% of the students was successful in finding the safe dose range, and 79.1% in finding the right ratio/proportion. Exam question on the dosage calculation based on child's age, which is the most common method in paediatrics, and which ensures right dosages and drug dilution was answered correctly by 87.1% of the students while 9.5% answered it wrong and 3.4% left it blank. In the evaluation of the data, figures and percentage distribution were calculated and Spearman correlation analysis was applied. Drug dose calculation questions in exam papers including 3 open ended questions on dosage calculation problems, addressing 5 variables were distributed to the students and their responses were evaluated by the researchers. This research, which is of retrospective type, covers a population consisting of all the 3rd grade students at the bachelor's degree in May, 2015 (148 students). This study was carried out to evaluate the knowledge of nursing students about paediatric dosage calculations. In paediatric patients, overdose drug prescribed regardless of the child's weight, age and clinical picture may lead to excessive toxicity and mortalities while low doses may delay the treatment. As paediatric dosages are calculated based on the child's age and weight, risk of error in dosage calculations is increasing. Electronic address: errors are common and may jeopardize the patient safety. Electronic address: 7 Department of Psychiatric Nursing, Faculty of Health Sciences, Uludağ University, Bursa, Turkey. Electronic address: 6 Department of Psychiatric Nursing, Faculty of Health Sciences, Uludağ University, Bursa, Turkey. Electronic address: 5 Department of Fundamental Nursing, Faculty of Health Sciences, Uludağ University, Bursa, Turkey. Electronic address: 4 Department of Management Nursing, Faculty of Health Sciences, Uludağ University, Bursa, Turkey. Electronic address: 3 Department of Management Nursing, Faculty of Health Sciences, Uludağ University, Bursa, Turkey. Electronic address: 2 Department of Pediatric Nursing, Faculty of Health Sciences, Uludağ University, Bursa, Turkey. Electronic address: 1 Department of Pediatric Nursing, Faculty of Health Sciences, Uludağ University, Bursa, Turkey. 1 Department of Pediatric Nursing, Faculty of Health Sciences, Uludağ University, Bursa, Turkey.
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