J Med Assoc Thai 1998; 81 (6):442

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Long-bone Measurement for Height Estimation in Thai Adult Subjects
Jitapunkul S Mail, Benchajareomvong S

Four hundred medical inpatients admitted to Chulalongkorn University Hospital between
February 1994 and January 1995 were recruited in a study which aimed to compare a number
of long-bone measurements, in both the erect and supine position, with height and to reveal
clinical appropriateness of long-bone measurements for predicting height and BMI in the Thai
adult population. Arrnspan in both supine and erect positions, halfspan in both supine and erect
position, and knee-to-floor height correlated best with height. The armspan and halfspan were
shown to be reliable as a direct estimate for height in Thai adult subjects. The BMis calculated
from the armspan or 2 x halfspan differed slightly from the BMI of height and were appropriate
for nutritional assessment in clinical practice. For frail patients whose armspan and halfspan was
not able to be measured, the knee-to-floor height is an alternative long-bone measurement
for height prediction.

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