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American Journal of Clinical Nutrition, Vol 56, 611-615, Copyright © 1992 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Creatinine arm index as alternative for creatinine height index

RJ Van Hoeyweghen, IH De Leeuw and MF Vandewoude
Department of Geriatrics, University of Antwerp-Uia, Belgium.

Nutritional assessment of elderly people is limited due to a lack of age-corrected standards. The objective of this study was to develop a new, more age-independent index for nutritional assessment by correcting the creatinine height index (CHI) for the age-induced changes in its variables. This might improve the differentiation between physiological reduction in muscle mass in elderly people and the changes induced by malnutrition. Seventy-four elderly and 100 young healthy volunteers were compared by anthropometric and biochemical- assessment variables. From the high correlation between total arm length and body length (r = 0.86; P less than 0.001) and the use of an alternative formula to calculate ideal body weight (IBW) from height and wrist circumference, a relatively age-independent estimate of IBW was determined. Creatinine arm index, as an adapted index of CHI, is proposed based on this age-independent IBW estimation and a specific creatinine coefficient for different age groups.


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S. Ohkawa, M. Odamaki, T. Yoneyama, I. Hibi, K. Miyaji, and H. Kumagai
Standardized thigh muscle area measured by computed axial tomography as an alternate muscle mass index for nutritional assessment of hemodialysis patients1
Am. J. Clinical Nutrition, February 1, 2000; 71(2): 485 - 490.
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Copyright © 1992 by The American Society for Nutrition