The groups combined did demonstrate a small, barely significant gain in PAH at 3 years in the regression modeling.
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Anastrozole vs Letrozole to Augment Height in Pubertal Males With Idiopathic Short Stature: A 3-Year Randomized Trial.
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The sentences
Mean cumulative changes in height were 13.1 ± 4.3 cm A vs 12.5 ± 3.2 cm L at the end of 2 years and 18.2 ± 4.2 cm A vs 16.0 ± 3.4 cm L at the end of 3 years, but the differences did not reach statistical significance in linear mixed models ( P interaction .077).