Prediction of adult height by Tanner-Whitehouse method in young Caucasian male athletes

Abstract

Background: Although the accuracy of final height prediction using skeletal age development has been confirmed in many studies for children treated for congenital primary hypothyroidism, short normal children, constitutionally tall children, no studies compared the predicted adult height at young age with final stature in athletic population. Aim: In this study, the intention was to investigate to what extent the Tanner-Whitehouse (TW) method is adequate for prediction of final stature in young Caucasian male athletes. Design: Prospective observational study. Methods: Plain radiographs of the left hand and wrist were obtained from 477 athletic children (ranging in age from 8.0 to 17.9 years) who came to the outpatient clinic between 2000 and 2011 for adult height estimation, with no orthopedic trauma suspected. Adult height was estimated using bone age rates according to TW method. Height was measured both at baseline and followup (at the age of 19 years). Results: No significant difference was found between the estimated adult height (184.9{dot plus} 9.7 cm) and final stature (185.6{dot plus}9.6 cm) [95% confidence interval (CI) 1.61-3.01, P = 0.55]. The relationship between estimated and final adult height was high (r = 0.96). Bland-Altman analysis confirmed that the 95% of differences between estimated adult height and final stature lie between limits of agreement (mean{dot plus}2 SD) (-5.84 and 4.52 cm). Conclusion: TW method is an accurate method of predicting adult height in male normal-growing athletic boys.