Estimation Body Height according to Tibia Length in Children with Cerebral Palsy Aged 6-12 Years in Bandung, Indonesia

Background and Objective. Children with Cerebral Palsy (CP) have a risk of contracture or hypotonia causing difficulty in measuring their standardized height hence it requires height estimation based on the tibial length as an alternative measurement. Estimation body height formula is not available yet in Indonesia. We aim to determine the estimation body height according to tibia length in children with cerebral palsy aged 6-12 years in Bandung, Indonesia. Methods. The subjects are children 6-12 years old with CP who attended Special School, Growth and Development Clinic, Neuropediatric, and Medical Rehabilitation Outpatient Department at Hasan Sadikin General Hospital in Bandung, Indonesia between March until May 2019. This research performed a cross-sectional study. The height, body length, and tibia length of subjects who met the inclusion criteria were measured concomitantly. Data analysis was performed using linear regression. Results. We found 68 CP patients who met the inclusion criterion. Patients could be measured using the standard method are 36 children which then analyzed statistically. There were 36 subjects consisting of 22 boys (61,1%) and 14 girls (38,9%). The new calculation formula for body height estimation based on the tibia length in CP children aged 6-12 years is = 32,01 + 2,90 * tibia length (Standard error of the estimate ±1,85). Conclusion. Measurement of tibia length is important in determining the height estimation in children with CP so growth could still be monitored in the patients. There is a new calculation formula that we can use for height estimation based on the tibial length in children with CP aged 6-12 years