Clinical laboratory · 2023
Clinical Applicability of Automated Hematology Analyzer Research Parameters for Disease Diagnosis: a Reference Interval Study.
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Lee Jiwon, Hong Sangkyoon, Kim Nan Young, Cho Yonggeun, Kim Han-Sung, Kang Hee Jung, Lee Young Kyoung, Kim Miyoung
Аннотация
BACKGROUND: We established reference intervals for research parameters of complete blood cell count and examined their usefulness for diagnosing certain diseases.
METHODS: Reference intervals for 26 basic and 38 research parameters were established for 3,457 and 1,325 men and 2,742 and 830 women aged 20 - 59 and ≥ 60 years, respectively. Research parameter values for patients with iron deficiency anemia (IDA), appendicitis, sepsis, and myelodysplastic syndromes (MDS) were compared against gender- and age-matched reference values.
RESULTS: Seven basic and 10 research parameters among men and one research parameter among women required partitioning by age. No partitioning by gender was required. Further, 67% patients with IDA showed micro red blood cell ratio values above the upper reference limits of their corresponding age and gender subgroups; 3% and 5% patients with appendicitis showed immature granulocyte percentages and counts above the upper reference limits, respectively; 12% - 42% of patients with sepsis showed numerous values exceeded their reference limits, and 67% and 100% patients with MDS showed neutrophil cell complexity and structural dispersion values outside their reference ranges, respectively.
CONCLUSIONS: Overall, < 60% of research parameter values were outside their reference ranges among most patients, indicating their limited diagnostic usefulness.
METHODS: Reference intervals for 26 basic and 38 research parameters were established for 3,457 and 1,325 men and 2,742 and 830 women aged 20 - 59 and ≥ 60 years, respectively. Research parameter values for patients with iron deficiency anemia (IDA), appendicitis, sepsis, and myelodysplastic syndromes (MDS) were compared against gender- and age-matched reference values.
RESULTS: Seven basic and 10 research parameters among men and one research parameter among women required partitioning by age. No partitioning by gender was required. Further, 67% patients with IDA showed micro red blood cell ratio values above the upper reference limits of their corresponding age and gender subgroups; 3% and 5% patients with appendicitis showed immature granulocyte percentages and counts above the upper reference limits, respectively; 12% - 42% of patients with sepsis showed numerous values exceeded their reference limits, and 67% and 100% patients with MDS showed neutrophil cell complexity and structural dispersion values outside their reference ranges, respectively.
CONCLUSIONS: Overall, < 60% of research parameter values were outside their reference ranges among most patients, indicating their limited diagnostic usefulness.