Struijs et al reported equations for predicting the length of the small bowel in children. The authors are from The Hospital for Sick Children in Toronto.
Patient selection: 24 weeks of gestation to 5 years of age
Parameters:
(1) postconception age in weeks from 24 to 300
(2) body weight in grams from 0 to 20,000
(3) height in cm from 10 to 120 cm
small bowel length in cm =
= 418.183 - (9575.692 / (age))
small bowel length in cm =
= 2.736 * ((weight)^0.512)
LN(small bowel length in cm) =
= (6.741 - (80.409 / (height))
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