Survey on non-Conformities Reported in Public and Private Medical Laboratories of Hamadan Province

Introduction: Clinical laboratory is a workplace where a variety of diagnostic tests are performed and it plays an important role in the diagnosis, treatment and prevention of diseases. Non-conformity does not meet the predetermined requirements. Laboratory nonconformities influence laboratory test results. Addressing of non-conformities is essential for laboratory improvement. The aim of this study was to survey the reported non-conformities in public and private medical laboratories of Hamadan province. Methods and Materials: It was cross- sectional retrospective study. All date from the completed medical laboratory quality system assessment check lists for 184 medical laboratories, 117 private and 67 public, were interred to SPSS version16 software. The information was presented using mean standard deviation and nonparametric equation of Kruskal-Wallis test and significance level by Pvalue<0.05 was used to analysis. Results: By assaying the indexes of mentioned checklist, the highest non-conformities with an average of 71% (PValue=0.010) belonged to the index of testing process and the lowest non-conformities belonged to the index of staff with an average of 14.39%. Public laboratories with an average of 13.01% (PValue=0.010) and private laboratories with an average of 14.64% (PValue=0.001) had significant difference compared to all laboratories, but there was not significant difference between public and private laboratory nonconformities. Discussion and Conclusion: The average percentage of reported non-conformities in the laboratories of Hamadan province has decreased from 2016 to2020. More supervision and staff training could be helpful to reduce non-conformity rate.