- Posted
- Categories
-
- OpenPathology
OpenPathology: Seasonality in Haemoglobin test results
In our initial analyses of pathology data from the South West for our OpenPathology.net project, we have noticed subtle but consistent variation in haemoglobin test results throughout the year. Haemoglobin (Hb) levels falling below certain threshold values typically give a diagnosis of anaemia. In the following regional sample we see that the mean Hb concentration across both males and females differs by 2-3 g/l between the summer low and the winter peak: