Increasing Incidence, but Lack of Seasonality, of Elevated TSH Levels, on Newborn Screening, in the North of England
Table 1
TSH newborn screening base, assay methodology, and cut-off values during the study period.
1994–March 1998
April 1998–February 2003
March 2003–March 2005
April 2005–present
Centre
Newcastle
Durham
Durham
Newcastle
Method
Radioimmunoassay
ACS-180
DELFIA
DELFIA
(Manual)
(Bayer)
(Perkin Elmer)
(Perkin Elmer)
TSH cut-off (mU/L)
20
10
6
6
We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19.
