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- W3028989675 abstract "[Abstract] Objective To define the age-specific normal reference values of prostate specific antigen (PSA) and related parameters in Chinese middle-aged and elderly men.Methods From April 2007 to November 2011,serum PSAs of over 22 055 men aged more than 40 years old in our medical examination center were statistically analyzed.The men was divided into five groups by a 10-year-old interval.Total PSA (tPSA),free PSA (fPSA) and prostate ultrasound results were recorded.The free-total PSA ratio (f/t),PSA density (PSAD) and PSA velocity (PSAV) were calculated.By convention,the 95th percentile (P95)was used as the upper limit value,and the 5th percentile (P5) as the lower limit value.Results The tPSAs were positively correlated with age (r=0.349,P＜0.001).f/t was negatively correlated with age (r=-0.154,P＜0.01).Although f/t was significantly different (P＜0.001) among each age group,P5 of all groups were 0.18.PSAD was significantly different (P＜0.001) between men over and under 70 years,with P95 as 0.09 and 0.15,respectively.PSAD had a positive correlation with age (r =0.263,P＜0.01).The significant difference of PSAV raised between men over and under 60 years,with P95 as 0.21 and 0.58,respectively.PSAV was positively correlated with age (r=0.130,P＜0.01).Conclusions PSA,PSAD and PSAV are positively correlated with age,while f/t is negatively correlated with age.The normal range of f/tis 0.18-1.00 for Chinese men over 40 years old.PSAD's normal ranges are ＜0.09 and ＜0.15 in Chinese men over and under 70 years,respectively.The normal range of PSAV are ＜0.21 and ＜0.58 for Chinese men over and under 60 years,respectively.Key words: Prostate-specific antigen; Age-specific; Free-total PSA ratio; PSA density; PSA velocity" @default.
- W3028989675 created "2020-06-05" @default.
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- W3028989675 date "2013-08-15" @default.
- W3028989675 modified "2023-09-28" @default.
- W3028989675 title "Analysis of age-specific prostate specific antigen and related parameters in 22 055 elderly men" @default.
- W3028989675 doi "https://doi.org/10.3760/cma.j.issn.1000-6702.2013.08.014" @default.
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