Thyroxine - free (FT4)

Meta Analysis

Matrix: Serum/plasma

Type median CV estimate lower CI limit higher CI limit Date Updated Tools
2021-09-21 11:31:49 UTC


No meta analysis Reference included in meta calculation Reference not included in meta calculation
Link Estimate of CVi Estimate of CVg Gender State of Well Being Matrix
Components of biological variation, including seasonality, in blood concentrations of TSH, TT3, FT4, PRL, cortisol and testosterone in healthy volunteers, Maes M, Mommen K, Hendrickx D, Peeters D, D’Hondt P, Ranjan R, De Meyer F and Scharpé S, 1997, Clin Endocrinol, 46, 587-98 7.1 9.1 Mixed Healthy (excl pregnant) Serum
Intra- and interindividual biological variation of five analytes used in assessing thyroid function: implications for necessary standards of performance and the interpretation of results., Browning MC, Ford RP, Callaghan SJ, Fraser CG., 1986, Clin Chem. 32(6):962-6., 32(6), 962-6 9.5 12.1 Mixed Healthy (excl pregnant) Serum
Intraindividual variation in serum thyroid hormones, parathyroid hormone and insulin-like growth factor-1, Ankrah-Tetteh T, Wijeratne S and Swaminathan R, 2008, Ann Clin Biochem, 45, 167-9 4.8 11.7 Mixed Healthy (excl pregnant) Serum
Analytical Goals for Thyroid Function Tests When Monitoring Patients With Untreated Subclinical Hypothyroidism, Jesper Karmisholt, Stig Andersen, Peter Laurberg, 2010 Jul, Scand J Clin Lab Invest, 70(4), 264-8 4.1 9.0 Mixed Non-healthy (excl pregnant) Serum
Intraindividual variability of thyroid function tests in a pediatric population, Oladipo O, Nenninger DA, Parvin Ca and Dietzen DJ, 2010, Clin Chim Acta, 411, 1143-5 9.1 14.0 Mixed Non-healthy (excl pregnant) Serum
Aplicación clínica de los datos de variabilidad biológica de las hormonas tiroideas, Polo MJ, Ricós C, Catalán R, Juvany R, 1992, Med Clin, 99, 529-31 5.6 12.3 Mixed Healthy (excl pregnant) Serum
Paediatric reference and biological variation trends of thyrotropin (TSH) and free thyroxine (T4) in an Asian population, Loh TPL, Sethi SK and Metz MP, 2015, J Clin Pathol, 68, 642-7 Mixed Non-healthy (excl pregnant) Serum
Intra-individual variation of thyroxin, triiodothyronine, and thyrotropin in treated hypothyroid patients: implications for monitoring replacement therapy., Browning MC, Bennet WM, Kirkaldy AJ, Jung RT., 1988, Clin Chem, 34(4), 696-9 5.7 Mixed Non-healthy (excl pregnant) Serum
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