Population-Specific Reference Intervals for Serum Free Triiodothyronine (fT3) in a Conflict-Affected Population: Indirect Method Study from Syria
Background: Reliable interpretation of serum free triiodothyronine (fT3) depends on reference intervals reflect the population served by the reporting laboratory. Most Syrian laboratories currently apply the manufacturer’s generic euthyroid range (2.0–4.4 pg/mL), derived from Western cohorts whose nutritional, environm...