Is Annual Surveillance of Treated Hypothyroid Patients Necessary?
Author Information
Author(s): Viswanath Ananth K, Avenell Alison, Philip Sam, Acharya Shamsunder H, MacLennan Graeme, Dalziel Katherine, Pereira Olivia, Copland Shirley A, Bevan John S, Abraham Prakash
Primary Institution: Thyroid clinic, Aberdeen Royal Infirmary
Hypothesis
Is more frequent testing necessary for treated hypothyroid patients?
Conclusion
Eighteen-monthly surveillance may be sufficient for hypothyroid patients under 60 on stable thyroxine doses.
Supporting Evidence
- The majority of patients were on 18 monthly follow-up.
- Patients aged under 60 on stable doses had fewer abnormal tests.
- Annual surveillance led to more frequent abnormal test results.
Takeaway
Doctors usually check thyroid patients every year, but this study found that checking every 18 months might be enough for younger patients on stable doses.
Methodology
A retrospective analysis using logistic regression to assess abnormal test predictions.
Potential Biases
Potential physician bias in allocating patients to follow-up plans.
Limitations
The study did not evaluate patients with follow-up intervals longer than 18 months.
Participant Demographics
89% female, mean age 51 years, 65% autoimmune hypothyroidism.
Statistical Information
P-Value
<0.01
Confidence Interval
95% CI 1.07–1.73
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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