Decision Rule for Testing Growth Hormone Deficiency in Short Children
Author Information
Author(s): Duché Laëtitia, Trivin Christine, Chemaitilly Wassim, Souberbielle Jean Claude, Bréart Gérard, Brauner Raja, Chalumeau Martin
Primary Institution: Clinical Epidemiological Unit-Department of Pediatrics, Saint-Vincent-de-Paul Hospital, AP-HP, Université Paris Descartes, Paris, France
Hypothesis
Can a clinical decision rule be developed to identify short-statured children who need growth hormone testing?
Conclusion
A highly sensitive decision rule was derived that could help avoid unnecessary growth hormone tests in children.
Supporting Evidence
- 36 out of 167 patients (22%) had growth hormone deficiency.
- The decision rule achieved 100% sensitivity for certain GHD.
- Applying the rule to a validation population yielded 92% sensitivity for certain GHD.
Takeaway
Doctors can use a simple rule to decide if short kids need growth hormone tests, which can help avoid many unnecessary tests.
Methodology
A retrospective cohort study was conducted to identify predictors of growth hormone deficiency in children and to construct a predictive tool.
Potential Biases
Patients were from a specialized department, which may have increased the prevalence of growth hormone deficiency.
Limitations
The study's results need external validation and may not apply to all populations due to selection bias.
Participant Demographics
Mean age was 8.2 years, with 49% boys.
Statistical Information
P-Value
p = 0.005 for growth rate < -1 SD; p = 0.006 for BMI z-score ≥ 0
Confidence Interval
[48–100] for certain GHD sensitivity; [60–76] for specificity
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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