Erker et al reported equations for estimating body weight of children based on age and body habitus. The authors are from St. Franziskus-Hospital Muenster in Germany.
Patient selection: pediatric patient from 1 to 12 years of age
Parameters:
(1) age in years
(2) body habitus
Body Habitus
Percentile
thin
5th percentile
normal, average
50th percentile
thick
95th percentile
Body Habitus
Regression Equation
Simplified
thin
(1.9428*(years)) + 6.4444
(2 * (years)) + 6
normal
(2.7117*(years)) + 6.6299
(3 * (years)) + 6
thick
(4.2997*(years)) + 5.6315
(4 * (years)) + 6
Figure 1 and 2 show that the lines are curved. When analyzed approximately lines are:
