SERUM LIPID LEVELS IN HEALTHY SHANGHAI SUBJECTS
摘要
Under the guidance of Chairman Mao's revolutionary line, the medical workers of our hospital have gone out to the factories, worker-shops and workers' residential districts to examine and prevent diseases of the broad labouring masses. The variation of serum lipids in 1835 healthy subjects (from the newborn to 102 years of age), most of them workers, were investigated during the period from October, 1973 to December, 1974. The results are summarized as follows:The frequency distribution of serum cholesterol values followed the normal distribution in all age groups. The frequency distribution of values for serum triglyceride and β-lipoprotein were both skewed in most age groups.In general, there was a tendency for the concentration of serum lipids to increase with age. There was no difference in cholesterol concentration between men and women below fifty years of age, while women had a higher value than men at ages above fifty. The serum triglyceride level was slightly higher in men than in women below fifty; above fifty years of age women had a significantly higher serum triglyceride level than men.The results of statistical analysis indicate that the normal limits of values for serum cholesterol, triglyceride and β-lipoprotein in healthy working people to be 100 mg/100 ml, 110 mg/100 ml and 500 mg/100 ml respectively; the upper limits being 220 mg/100 ml, 160 mg/100 ml and 610 mg/100 ml respectively. Using the WHO classification, Type Ⅱ_a, Type Ⅱ_b and Type Ⅳ hyperlipoproteinemia were shown to be the most prevalent types in this population.The concentration of β-lipoprotein closely correlated with those of cholesterol and triglyceride. It was shown that the quantitative determination of β-lipoprotein is a simple and effective method for screening hyperlipidemia.This preliminary investigation indicated that the pattern of serum lipid variations of the working people in our country was different from that of western countries. Differences in race, the social system,