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  • Author: Camelia Grigore x
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Mana Totali, Felicia G. Gligor, Marius Bojita, Camelia Grigore and Cristina Grigore

Abstract

Objectives: Reference values are fundamental for the interpretation of laboratory results, which are useful for medical decisions. Each laboratory has to have its own reference values classified according to age groups in order to interpret test results correctly. The expression “normal values” has been replaced by “reference values” because there are various variables that are considered to influence these values. The majority of “reference values” were established over two decades ago using obsolete medical devices and in many cases undefined populations; therefore, nowadays these intervals are not relevant anymore for modern testing technology in clinic laboratories. Methods and materials: The study was carried out at Sibiu Clinic Pediatric Hospital using the laboratory’s electronic archive. The samples were taken from hospitalized patients (children and teenagers) and outpatients registered between January and December, 2010. Blood sample testing was performed using the Sysmex XS 1000i analyzer. The reference values for hemoglobin was calculated based on results from a population sample of 9838 patients. The patients were classified into 3 age categories: 1 month - 2 years old; 2 - 10 years old; 10 - 18 years old. Reference values were determined after eliminating outliers,using the robust method to calculate 2.5 and 97.5 percentiles with the SPSS statistical software. Results and Conclusions: The results obtained differed from those specified in the Roche Diagnostics 2004 Guide but were found to be close to the results mentioned in Lothar Thomas’s publication, in Laboratory diagnostics.

Open access

Radu-Daniel Pintilii, Daniel Peptenatu, Ana-Maria Ciobotaru, Sorin George Toma, Ana Maria Grigore, Cristian-Constantin Drăghici, Răzvan-Cătălin Dobrea, Adrian Gabriel Simion, Ion Andronache, Camelia Teodorescu and Daniel Constantin Diaconu

Abstract

Creative economies are at the heart of the knowledge-based economy. The main objectives of the study are to present the spatial design of the regional systems of creativity in Romania and to identify the evolutionary trends, by creating spatial models for key economic indicators, specific to such economic activities. This paper focuses on how creative economies are concentrated in the national network of settlements and how they differentiate in terms of regional profile. Consequently, a yearly nationwide database was created for 2000-2012, which includes four-digit creative economic activities, according to the Classification of National Economy Activities, for each administrative unit in Romania. The analyses, conducted for the same period, show a concentration of creative economies as a national polycentric network which includes the capital city and cities with over 300,000 inhabitants, as well as their structured territorial systems emerging around them, representing the local and regional polycentric networks. The analysis of the economic profiles highlights the growing share of creative economies in the national economy that tends to contribute more and more to the increase of the operational complexity of the local and regional economies.