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Open Access Highly Accessed Research article

Comparison of haematological parameters determined by the Sysmex KX - 2IN automated haematology analyzer and the manual counts

Samuel O Ike2*, Thomas Nubila1, Ernest O Ukaejiofo1, Imelda N Nubila3, Elvis N Shu3 and Ifeyinwa Ezema1

Author affiliations

1 Department of Medical Laboratory Sciences, Faculty of Health Siences And Technology, College of Medicine, University of Nigeria, Enugu Campus, Enugu State, Nigeria

2 Department of Medicine, College of Medicine, University of Nigeria, Enugu Campus, Enugu State, Nigeria

3 Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria, Enugu Campus, Enugu State, Nigeria

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Citation and License

BMC Clinical Pathology 2010, 10:3  doi:10.1186/1472-6890-10-3

Published: 23 April 2010

Abstract

Background

This study was designed to determine the correlation between heamatological parameters by Sysmex KX-21N automated hematology analyzer with the manual methods.

Method

Sixty (60) subjects were randomly selected from both apparently healthy subjects and those who have different blood disorders from the University of Teaching Hospital (UNTH), Ituku-Ozalla, Enugu, Enugu State, Nigeria. Three (3)mls of venous blood sample was collected aseptically from each subject into tri-potassium ethylenediamine tetra-acetic acid (K3EDTA) for the analysis of haematological parameters using the automated and the manual methods.

Results

The blood film report by the manual method showed that 50% of the subjects were normocytic-normochromic while the other 50% revealed different abnormal blood pictures. Also, there were statistically significant differences (p < 0.05) in mean cell hemoglobin concentrations (MCHC) between the two methods. Similarly, the mean (S.E) values of hemoglobin, packed cell volume, platelet and total white cell counts demonstrated statistically significant difference (p < 0.001) and correlated positively when both methods were compared.

Conclusion

From the present study, it can be concluded that the automated hematology analyzer readings correlated well with readings by the standard manual method, although the latter method gave additional diagnostic information on the blood pictures. While patients' care and laboratory operations could be optimized by using manual microscopic examination as a reflective substitute for automated methods, usage of automated method would ease our workload and save time for patients.