Abstract
The objective of this study was to evaluate the effectiveness and cost-effectiveness of different therapy regimens for girls with central precocious puberty (CPP). This study retrospectively analyzed CPP girls from 2013 to 2021 and grouped them into GnRHa, Mixed, and GnRHa+GH based on therapy regimen. While comparing the differences among these groups, initial age and bone age of GnRHa group girls were significantly lower than Mixed and GnRHa+GH groups, but their growth level was significantly higher (P < .05). In the Mixed group, starting with GnRHa alone, the predicted adult height improvement (ΔPAH) decreased to −1.0 cm in the second year, prompting addition of growth hormone (GH) therapy in the third year, resulting in a ΔPAH increase to 3.0 cm. At therapy completion, final predicted adult heights (PAHs) were similar among the groups at 155.6 to 156.7 cm, with ΔPAH between 5.8 and 6.5 cm and no significant intergroup differences (P > .05). Younger CPP girls with greater height can begin therapy with GnRHa alone. Consideration of combining GH therapy depends on growth velocity and PAH during treatment.
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