| 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 | 16.2 | 31.7 | Mixed | Healthy (excl pregnant) | Serum |
| Long-term variability in serum thyroglobulin and thyroid related hormones in healthy subjects, Feldt-Rasmussen U, Petersen PH, Blaabjerg O and Horder M, 1980, Acta Endocrinologica, 95, 328-34 | 17.0 | 23.0 | Females | Healthy (excl pregnant) | Serum |
| Long-term variability in serum thyroglobulin and thyroid related hormones in healthy subjects, Feldt-Rasmussen U, Petersen PH, Blaabjerg O and Horder M, 1980, Acta Endocrinologica, 95, 328-34 | 12.0 | 25.0 | Males | Healthy (excl pregnant) | Serum |
| 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 | 29.3 | 48.4 | Mixed | Healthy (excl pregnant) | Serum |
| Intrandividual 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 | 25.1 | 36.9 | Mixed | Healthy (excl pregnant) | Serum |
| Quality goals for hormone testing, Ricós C and Arbós MA, 1990, Ann Clin Biochem, 27, 353-8 | 19.3 | 19.7 | Mixed | 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 | 28.0 | 61.9 | 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 | 20.2 | | Mixed | Non-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 | 16.6 | 23.2 | Mixed | Non-healthy (excl pregnant) | Serum |
