Key result
Seasonal changes show no clinically significant association with HbA1c levels in a temperate climate.
Why the study?
Is there a seasonal variation in HbA1c levels in a temperate climate in Australia?
Observational (n=203,170)
Is there a seasonal variation in HbA1c levels in a temperate climate in Australia?
In a temperate Australian climate, HbA1c does not exhibit clinically significant seasonal variation, supporting its potential reliability as a diagnostic test year-round.
Answers are grounded in this paper and cite their sources.
No seasonal HbA1c variation found in temperate Australia; leaves open whether GTT seasonality is assay- or climate-specific.
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Ng et al. (2017) reported an observational. Season vs. Other seasons was evaluated on Median HbA1c. In a temperate Australian climate, the median HbA1c was 6.6% for each season, indicating no clinically significant seasonal variation.
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