Abstract
Height predictions are performed in girls with CTS using various methods of height prediction (HP). Rarely, adult height (AH) and predicted height have been analysed in a larger group of untreated tall girls to evaluate the accuracy of each prediction method. Adult height was measured in 104 women previously seen for CTS. Bone age (BA) was reevaluated in all patients using the Greulich-Pyle (GP) and Tanner-Whitehouse TW2-RUS method of BA determination. CA and BA were not different by more than 1 year (GP-method). HP were performed according to the TH-, BP-, RWT- and TW-Mark I and TW-Mark II methods. In addition, HP were calculated for thd TW methods with midparental height (MPH) of 172 cm and the age of menarche. CA at the initial visit was 12.9 ± 1.4 years (x ± SO), BA 13.2 ± 1.4 years (GP) and 14.0 ± 1.3 years (TW II-RUS). AH was 179.8 ± 3.8 cm. 114 height predictions were preformed at different SA groups starting at 10 years.
The BP-method was the only method overestimating AH by 0.5 ± 2.7 cm (total group). All other methods underestimated AH (RWT - 1.8 ± 2.3 cm, TW-Mark I -2.7 ± 2.6 cm, TW-Mark II -1.7 ± 2.5 cm). No major improvemtn was noted, when MPH or age of mernarche were included. TH underestimated AH by -6.5 ± 4.3 cm. 8 patients with an AH of 178.7 cm had two HP performed at a mean CA of 11.5 and 13.1 years. Mean HP were almost identical with 178.4 cm vs 178.3 cm (BP) and 177.7 cm vs 176.1 cm (TW-Mark II).
We conclude fairly accurate results were obtained für the total group of tall girls with almost all height predictions. Repeated HP, performed in a small number of patients, did not improve the accuracy of the method. With AH being much taller than TH the height gain in tall girls obviously exceeds the magnitude of the average secular growth change.
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Oest, B., Brämswig, J., Busemann, A. et al. PREDICTED HEIGHT AND ADULT HEIGHT IN GIRLS WITH UNTREATED CONSTITUTIONAL TALL STATURE (CIS). A RETROSPECTIVE ANALYSIS OF THE TARGET HEIGHT (TH), BAYLEY-PINNEAU (BP), RQCHE-WAINER-THISSEN (RWT) AND TANNER-WHITEHOUSE (TW) METHODS OF HEIGHT PREDICTION. Pediatr Res 33 (Suppl 5), S61 (1993). https://doi.org/10.1203/00006450-199305001-00347
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DOI: https://doi.org/10.1203/00006450-199305001-00347