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RISS 인기검색어
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- 저자 : ( Tej K. Mattoo ) (검색결과 1 건)
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Body water percentage from childhood to old age
( Hong Lu ),( Eric Ayers ),( Pragnesh Patel ),( Tej K. Mattoo ) 대한신장학회 2023 Kidney Research and Clinical Practice Vol.42 No.3
Background: Total body water (TBW) increases with growth, but the body water percentage (TBW%) decreases with aging. The ob jective of our study was to delineate TBW% in males and females by bioelectrical impedance analysis (BIA) from early childhood to old age. Methods: We enrolled 545 participants aged 3 to 98 years (258 male, 287 female). Among the participants, 256 had a normal weight and 289 were overweight. The TBW was measured by BIA, and TBW% was derived by dividing the TBW (L) value by body weight (kg). For analysis, we divided participants into the four age groups of 3-10, 11-20, 21-60, and ≥61 years. Results: In normal-weight subjects, the TBW% was similar at 62% between males and females in the 3-10-year group. It remained unchanged in males until and through adult life, then decreased to 57% in the ≥61-year group. In normal-weight female subjects, the TBW% decreased to 55% in the 11-20-year group, remained relatively unaltered in the 21-60-year group, then decreased to 50% in the ≥61-year group. In overweight subjects, the TBW% values in males, as well as females, were significantly lower as com pared to those with normal weight. Conclusion: Our study showed that the TBW% in normal-weight males changes very little from early childhood to adult life compared to that of females, who showed a decrease in TBW% during the pubertal years. In normal-weight subjects of both sexes, the TBW% decreased after the age of 60 years. Overweight subjects had significantly lower TBW% as compared to those with normal weight.
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