Analisis Quality Control (QC) Pemeriksaan Albumin Dan Bilirubin Menggunakan Kontrol Harian Dan Matriks Sigma
Quality Control Analysis Of Albumin And Bilirubin Testing Using Daily Controls And Sigma Matrix
DOI:
https://doi.org/10.33084/bjmlt.v7i1.7863Keywords:
Quality Control, Aturan Westgard, Matriks Sigma, Grafik Levey-jenningsAbstract
Quality control (QC) merupakan suatu proses evaluasi pengujian mutu laboratorium yang bertujuan untuk menjamin sistem mutu laboratorium. Six sigma merupakan indikator kualitas yang digunakan untuk mengevaluasi kinerja analitik. Penelitian ini bertujuan untuk mengetahui nilai data kontrol harian melalui evaluasi grafik Levey-jennings dan mengetahui nilai sigma beserta DPMO pada pemeriksaan albumin dan bilirubin total. Metode penelitian yang digunakan yaitu metode deskriptif kuantitatif dengan pendekatan penelitian cross sectional. Metode pengambilan sampel pada penelitian ini menggunakan Teknik total sampling. Populasi pada penelitian ini yaitu data sekunder kontrol harian dari pemeriksaan albumin dan bilirubin bulan Oktober 2023 – Maret 2024. Berdasarkan hasil evaluasi grafik Levey-jennings dengan aturan westgard pada pemeriksaan albumin dan bilirubin terdapat nilai kontrol yang melanggar aturan 12s, 13s, dan 41s selama enam bulan berturut-turut. Pada pemeriksaan albumin terdapat nilai bias PME 2,07%, rata-rata CV PMI 1,46%, serta nilai sigma 5,4. Pada pemeriksaan bilirubin total terdapat nilai bias PME 7,79%, rata-rata CV PMI 2,78%, serta nilai sigma 4,4. Hasil evaluasi grafik Levey-jennings dengan aturan westgard pada pemeriksaan albumin dan bilirubin terdapat nilai kontrol yang melanggar aturan 12s, 13s, dan 41s. Nilai sigma pemeriksaan albumin 5,4 dengan DPMO 40 dan pada pemeriksaan bilirubin total 4,4 dengan DPMO 1.860.
Quality control (QC) is a process for evaluating laboratory testing quality to ensure the integrity of the laboratory's quality system. Part of this process involves using Six sigma, a quality indicator that assesses analytical performance. This study aims to determine the value of daily control data through the evaluation of the Levey-jennings chart and determine the sigma value and DPMO in the albumin and total bilirubin of testing. This study used quantitative descriptive method with cross-sectional approach. The sampling method employed was total sampling. The population composed of secondary data from daily controls of albumin and bilirubin tests conducted October 2023 – March 2024. Based on the evaluation of the Levey-jennings chart using Westgard rules for albumin and bilirubin tests, control values violating the 12s, 13s, and 41s rules for six consecutive months. For albumin testing, the PME bias was 2.07%, the average CV PMI was 1.46%, and the sigma value was 5.4. For total bilirubin testing, the PME bias was 7.79%, the average CV PMI was 2.78%, and the sigma value was 4.4. In conclusion, the evaluation of the Levey-jennings chart using Westgard rules showed that the control values for albumin and bilirubin tests violated the 12s, 13s, and 41s rules. The sigma value for albumin testing was 5.4 with a DPMO of 40, while for total bilirubin testing, it was 4.4 with a DPMO of 1.860.
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