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用百分位数回归的方法，对５０００ 例正常人血压调查结果进行分析，提出不同年龄血压参考值范围，并与传统的直线回归方法比较
Using the method of percentile regression, the blood pressure survey results of 5000 normal people were analyzed, and the reference range of blood pressure at different ages was proposed and compared with the traditional linear regression method