Machine learning-based prediction of response to growth hormone treatment in Turner syndrome: The LG Growth Study

Mo Kyung Jung, Jeesuk Yu, Ji Eun Lee, Se Young Kim, Hae Soon Kim, Eun Gyong Yoo

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Background: Growth hormone (GH) treatment has become a common practice in Turner syndrome (TS). However, there are only a few studies on the response to GH treatment in TS. The aim of this study is to predict the responsiveness to GH treatment and to suggest a prediction model of height outcome in TS. Methods: The clinical parameters of 105 TS patients registered in the LG Growth Study (LGS) were retrospectively reviewed. The prognostic factors for the good responders were identified, and the prediction of height response was investigated by the random forest (RF) method, and also, multiple regression models were applied. Results: In the RF method, the most important predictive variable for the increment of height standard deviation score (SDS) during the first year of GH treatment was chronologic age (CA) at start of GH treatment. The RF method also showed that the increment of height SDS during the first year was the most important predictor in the increment of height SDS after 3 years of treatment. In a prediction model by multiple regression, younger CA was the significant predictor of height SDS gain during the first year (32.4% of the variability). After 3 years of treatment, mid-parental height (MPH) and the increment of height SDS during the first year were identified as significant predictors (76.6% of the variability). Conclusions: Both the machine learning approach and the multiple regression model revealed that younger CA at the start of GH treatment was the most important factor related to height response in patients with TS.

Original languageEnglish
Pages (from-to)71-78
Number of pages8
JournalJournal of Pediatric Endocrinology and Metabolism
Volume33
Issue number1
DOIs
StatePublished - 1 Jan 2020

Bibliographical note

Publisher Copyright:
© 2020 2020 Walter de Gruyter GmbH, Berlin/Boston.

Keywords

  • Turner syndrome
  • growth hormone
  • height outcome

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