Ramifications of variability in sex hormone-binding globulin measurement by different immunoassays on the calculation of free testosterone

Affiliations

• ¹ Department of Clinical Biochemistry, Manchester University Hospital NHS Foundation Trust, Wythenshawe Hospital, Manchester, UK.
• ² Division of Diabetes, Endocrinology and Gastroenterology, School of Medical Sciences, University of Manchester, Manchester, UK.
• ³ Clinical Biochemistry Department, University Hospital Aintree, Lower Lane, Liverpool, UK.
• ⁴ Faculty of Medical and Human Sciences, Institute of Inflammation and Repair, University of Manchester, Manchester, UK.
• ⁵ The Christie Pathology Partnership, The Christie NHS Foundation Trust, Manchester, UK.
• ⁶ Department of Laboratory Medicine, University Hospital Southampton NHS Foundation Trust, Southampton, UK.