title: [Performance of glucometer used for self-monitoring blood glycaemia in type 1 diabetic patients].
abstract: This prospective study assessed the minimum volume of blood, the precision and the accuracy of capillary glycaemia obtained with the use of a digital glucometer. A total of 108 diabetic individuals were enrolled, teenagers and adults of both genders, from the Diabetes Clinic of the Royal Victoria Hospital, McGill University, Canada, in 6 months. Glycaemia monitoring was performed using an AccuCheck Compact (Roche) glucometer. For the volume, 6 samples of blood were tested, on three glucometers, using a crossover design (432 results). For accuracy, 100 samples of venous and arterial blood, measured with the glucometer and on a clinical laboratory were compared. For precision, 2 samples of venous blood and solution controls were repeatedly tested. Results demonstrated that a volume of 3.0 microL of capillary blood is sufficient for reproducible results. Measurements of venous and capillary glycaemia did not differ statistically when obtained with the glucometer or from a clinical laboratory (p > 0.05). Comparison of capillary glycaemia measured with the glucometer with venous and capillary glycaemia obtained from the laboratory resulted in a correlation coefficient of 0.9819 and 0.9842, respectively. These observations confirm the accuracy and precision of the tested glucometer. The establishment of a minimum digital punction of 3 microL may have positive impact upon the compliance to auto-monitoring routines.
authors.affiliation: Departamento de Nutrição, Universidade Federal do Paraná, Rua Prof. Lothário Meissner 632, 80210-170 Curitiba, PR, Brasil. gianemira@ufpr.br
authors.forename: Giane Sprada
authors.initials: GS
authors.lastname: Mira
authors.forename: Lys Mary Bileski
authors.initials: LM
authors.lastname: Candido
authors.forename: Jean François
authors.initials: JF
authors.lastname: Yale
mesh_terms: D000293:Adolescent; D000328:Adult; D000704:Analysis of Variance; D001786:Blood Glucose / Q000032:analysis*; D015190:Blood Glucose Self-Monitoring / Q000592:standards*; D003922:Diabetes Mellitus, Type 1 / Q000097:blood* / Q000175:diagnosis; D005260:Female; D006801:Humans; D008297:Male; D011446:Prospective Studies
chemical_list: D001786:Blood Glucose