Association Between Hemoglobin and Growth Hormone Peak in Chinese Children and Adolescents with Short Stature: A Cross-Sectional Study
Open Access
- 1 February 2021
- journal article
- research article
- Published by Taylor & Francis Ltd in International Journal of General Medicine
- Vol. ume 14, 497-504
- https://doi.org/10.2147/ijgm.s292920
Abstract
Objective: This research aimed to investigate the relationship between hemoglobin (Hb) and growth hormone (GH) peak in children and adolescents with short stature. Design: This cross-sectional study included a total of 787 children and adolescents with short stature. Anthropometric and biochemical indicators were measured at baseline. All patients underwent GH provocation tests with L-dopa and insulin to assess GH peak levels. Results: The univariate analysis results showed that Hb was positively associated with GH peak (β 0.07, P=0.001). Furthermore, a non-linear relationship was detected between Hb and GH peaks through smooth curve fitting, and the inflection point was 123 g/L after multivariate piecewise linear regression analysis. GH peak increased with Hb elevation when the Hb level was greater than 123 g/L (β 0.08, 95% CI 0.01, 0.14; P=0.0207). Conclusion: In children and adolescents with short stature, we found GH peak was positively associated with the Hb level when the Hb level reached the inflection point.Keywords
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