Abstract
AbstractThe purpose of this study was to investigate the relationship between systolic blood pressure (SBP) and uric acid (UA) in patients with idiopathic short stature (ISS). The present study was a cross-sectional study. A total of 210 Chinese children and adolescents with ISS were included, and their anthropometrics and biochemical parameters were measured. Growth hormone peak levels were assessed after provocation tests with L-dopa and insulin. The univariate analysis results showed a significant positive association between UA and SBP levels (P < 0.001). Furthermore, a non-linear relationship was detected between UA and SBP. In multivariate piecewise linear regression, the inflection point of UA was 4.13 mg/dl (95% CI 3.28, 6.65; P = 0.03), the levels of SBP increased with the increase in UA when the UA level was >4.13 mg/dl (β 2.63, 95% CI: 0.94, 4.31; P = 0.002). However, we did not observe a significant relationship between UA and SBP when the UA level was <4.13 mg/dl (β −2.72, 95% CI −6.89, 1.45; P = 0.202). Our study found a nonlinear relationship between UA and SBP in Chinese children and adolescents with ISS and showed that SBP levels were associated positively with the rise of UA levels when the UA levels reached the inflection point.
Publisher
Springer Science and Business Media LLC
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