[A new aid for the determination of body surface area from 3 to 18 years of age].

The authors calculated the body surface of 40 boys and 40 girls aged 3, 5, 6, 7, 12 and 18 years from a group of Brno children followed up on a long-term scale, using the equations of Du Bois D. and Du Bois E. F., Haycock G. B., Gehan E. and George S. L. and Mosteller R. D. Using the paired t-test, they evaluated the closeness of differences. The equations of E. A. Gehan and S. L. George seem most accurate. Based on this equation they calculated the body surface and prepared tables for children with a body weight of 6 kg and height of 70 cm to adults weighing up to 90 kg and with a height of 206 cm.