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Cerqueira BP, Rocha JF, Barnes RF, Pepato PHM, Paim TS, De Nardi F, Hsu FA, Oguma JM, Ito LM, da Silva EYAP, Vizzuso-Oliveira A, Filho FDDS, Maia JVB, Mendez JDZ, Sato BB, Souza RM, Miyahara AK, Kirsztajn GM. Understanding of the role of serum creatinine in a subset of the Brazilian population. J Bras Nefrol 2024; 46:e20230117. [PMID: 38259191 DOI: 10.1590/2175-8239-jbn-2023-0117en] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 11/26/2023] [Indexed: 01/24/2024] Open
Abstract
INTRODUCTION Chronic kidney disease is usually asymptomatic, and its diagnosis depends on laboratory tests, with emphasis on serum creatinine and proteinuria. OBJECTIVE To assess knowledge on the role of serum creatinine as a biomarker of kidney function in a sample of the Brazilian population. METHOD Cross-sectional observational study conducted in São Paulo (SP, Brazil), in which a random adult population was interviewed. RESULTS A total of 1138 subjects were interviewed, with a median age of 36 years old (27-52); 55.1% were female. Regarding the "creatinine" biomarker, 40.6% stated they had never performed such a test. When asked about their knowledge on the usefulness of this exam, only 19.6% knew its function. The other responses were "I don't know" (71.6%), evaluating heart function (0.9%) and liver function (7.8%). Of those who reported they had already taken a creatinine test, only 29.4% correctly identified the role of creatinine. When dividing the groups into "knows" and "does not know" the function of creatinine, a statistically significant difference (p < 0.05) was observed regarding level of education, female sex, being a healthcare student/worker, having ever measured creatinine, knowing someone with kidney disease and older age. In the multivariate analysis, the main variable related to knowing the creatinine role was having previously taken the test (OR 5.16; 95% CI 3.16-8.43, p < 0.001). CONCLUSION There is a significant lack of knowledge about creatinine and its use in checkups. The results indicate that greater efforts are needed from healthcare professionals to raise awareness on the role of serum creatinine.
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Affiliation(s)
- Bruno Pellozo Cerqueira
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
| | - Júlia Ferreira Rocha
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
| | | | | | - Thays Sellan Paim
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
| | - Francisco De Nardi
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
| | - Fabrício Akira Hsu
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
| | - Juliana Miki Oguma
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
| | - Leticia Miyuki Ito
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
| | | | - Alexandre Vizzuso-Oliveira
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
| | | | - João Vitor Bozza Maia
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
| | - Juan Diego Zambrano Mendez
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
| | - Beatrice Borges Sato
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
| | - Roberto Matias Souza
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
| | - Andre Kiyoshi Miyahara
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, São Paulo, SP, Brazil
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