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Reference ranges for ultrasonographic renal dimensions as functions of age and body indices: A retrospective observational study in Taiwan

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  • Hsuan-An Su
  • Han-Ying Hsieh
  • Chien-Te Lee
  • Shang-Chih Liao
  • Chi-Hsiang Chu
  • Chien-Hsing Wu

Abstract

An ethnicity-based reference range for normal renal size is fundamental for ultrasonographic assessment. Herein, we aimed to establish a Chinese renal reference by a large sample size, as well as to elucidate the relationship of renal dimension to age and body indices, with the aid of a comprehensive literature review. Records of 3707 healthy cases were obtained from health evaluation centers of Kaohsiung and Linkuo Chang Gung Memorial Hospitals. As a result, the mean right renal length was 10.62±0.69 cm, left renal length 10.76±0.70 cm, right renal width 4.78±0.75 cm, and left renal width 5.10±0.64 cm. Renal size was well-correlated curvilinearly to age, while linearly to body height, body weight, and body mass index. Renal size increases and then decreases with aging, and significant variations of renal size exist among different ethnicities. Our work provides a reliable reference range for renal size in the Chinese population, and valid relationships between renal dimensions and other parameters.

Suggested Citation

  • Hsuan-An Su & Han-Ying Hsieh & Chien-Te Lee & Shang-Chih Liao & Chi-Hsiang Chu & Chien-Hsing Wu, 2019. "Reference ranges for ultrasonographic renal dimensions as functions of age and body indices: A retrospective observational study in Taiwan," PLOS ONE, Public Library of Science, vol. 14(11), pages 1-17, November.
    • Handle: RePEc:plo:pone00:0224785
    DOI: 10.1371/journal.pone.0224785
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