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BACKGROUND/PURPOSE We aimed to standardize the normal reference value of red blood cell (RBC) counts in Chinese presenile women using an underlying scientific basis. METHODS This research was conducted to study the relationship between the normal reference value of 31,405 RBC samples from presenile women in eight different geographical areas in China. RBC(More)
AIM This paper aims at supplying a scientific basis for unifying the normal reference value standard of red blood cell count of Chinese young men. METHODS The research is made to study the relationship between the normal reference value of 41,759 examples of red blood cell count of young men and 8 geographical factors in 334 areas in China, which is(More)
AIM The aim of this paper is to analyze the geographical distribution of reference value of aging people's left ventricular end systolic diameter (LVDs), and to provide a scientific basis for clinical examination. METHODS The study is focus on the relationship between reference value of left ventricular end systolic diameter of aging people and 14(More)
The study focused on the relationship between geographical factors and left ventricular myocardial performance index (MPI)reference value, analyed the different distribution of MPI, and then provided a scientific basis for clinical examination. This study collected MPI reference values of 2545 healthy women from 91 cities in China, used the Moran's index to(More)
OBJECTIVE To provide a scientific standard of left ventricular Tei index for healthy people from various region of China, and to lay a reliable foundation for the evaluation of left ventricular diastolic and systolic function. METHODS The correlation and principal component analysis were used to explore the left ventricular Tei index, which based on the(More)
The aim of this study was to provide a scientific basic for a unified standard of the reference value of vital capacity (VC) of healthy subjects from 6 and 84 years old in China. The normal reference value of VC was correlated to seven geographical factors, including altitude (X1), annual duration of sunshine (X2), annual mean air temperature (X3), annual(More)
AIM This paper aims at supplying a scientific basis for standardizing the normal reference value of whole blood viscosity (230s(-1)) of Chinese old women. METHODS The research is made to study the relationship between the normal reference value of 6707 samples of whole blood viscosity (230s(-1)) of old women and seven geographical factors in 70 areas in(More)
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