Laboratory Medicine ›› 2016, Vol. 31 ›› Issue (5): 419-422.DOI: 10.3969/j.issn.1673-8640.2016.05.016

• Orginal Article • Previous Articles     Next Articles

Reference intervals of clinical laboratory inter-accreditation items of Grade 3 hospitals in Fujian

CHEN Xijun, CHEN Falin, WANG Youji   

  1. Fujian Provincial Center for Clinical Laboratory,Fuzhou 350001,Fujian,China
  • Received:2014-11-20 Online:2016-05-30 Published:2016-06-13

Abstract:

Objective To investigate the results and sources of reference intervals in clinical laboratory inter-accreditation items among Grade 3 hospitals in Fujian,compare the difference between routine and dry chemistry in these aspects,and provide a reference to establish reference intervals of clinical laboratory inter-accreditation items for healthy subjects in Fujian. Methods A total of 1 246 data of reference intervals were collected from 29 inter-accreditation items of 27 Grade 3 hospitals in Fujian. All abnormal values and errors(lower limit was higher than upper one,or upper limit was as the same as lower one,etc.)were eliminated. The difference between routine and dry chemistry reference intervals were analyzed by SPSS 11.0.Results The differences between maximum and minimum values about the lower limits of alanine aminotransferase,aspartate aminotransferase,triglyceride and total cholesterol and the upper limits of alpha fetoprotein and carcinoembryonic antigen were big. The results of free triiodothyronine and free thyroxine were not unified. The 3 main sources of reference intervals were instructions of reagent manufacturers,the National Guide to Clinical Laboratory Procedures and the industry standards of the National Health and Family Planning Commission of the People's Republic of China. In comparison of routine and dry chemistry,the reference intervals of alanine aminotransferase and lactate dehydrogenase had significant differences(P<0.05). Conclusions The reference intervals of a part of inter-accreditation items of Grade 3 hospitals in Fujian have differences,and the sources of them are various.A few assays have statistical significance in routine and dry chemistry. In order to achieve inter-accreditation,all laboratories must share common reference intervals on the basis of standardization.

Key words: Clinical determination, Reference interval, Inter-accreditation items, Routine chemistry, Dry chemistry

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