Body water percentage from childhood to old age
BACKGROUND: Total body water (TBW) increases with growth, but the body water percentage (TBW%) decreases with aging. The objective 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 compared 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.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:42 |
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| Enthalten in: |
Kidney research and clinical practice - 42(2023), 3 vom: 03. Mai, Seite 340-348 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lu, Hong [VerfasserIn] |
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| Links: |
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| Themen: |
Aged |
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| Anmerkungen: |
Date Revised 16.06.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.23876/j.krcp.22.062 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM35815264X |
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| 245 | 1 | 0 | |a Body water percentage from childhood to old age |
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| 500 | |a Date Revised 16.06.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a BACKGROUND: Total body water (TBW) increases with growth, but the body water percentage (TBW%) decreases with aging. The objective of our study was to delineate TBW% in males and females by bioelectrical impedance analysis (BIA) from early childhood to old age | ||
| 520 | |a 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 | ||
| 520 | |a 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 compared to those with normal weight | ||
| 520 | |a 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 | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Aged | |
| 650 | 4 | |a All ages | |
| 650 | 4 | |a Bioelectrical impedance analysis | |
| 650 | 4 | |a Body water | |
| 650 | 4 | |a Child | |
| 650 | 4 | |a Obesity | |
| 700 | 1 | |a Ayers, Eric |e verfasserin |4 aut | |
| 700 | 1 | |a Patel, Pragnesh |e verfasserin |4 aut | |
| 700 | 1 | |a Mattoo, Tej K |e verfasserin |4 aut | |
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| 773 | 1 | 8 | |g volume:42 |g year:2023 |g number:3 |g day:03 |g month:05 |g pages:340-348 |
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