RT Journal Article T1 Reference values for TSH may be inadequate to define hypothyroidism in persons with morbid obesity: Di@bet.es study. A1 Valdés, Sergio A1 Maldonado-Araque, Cristina A1 Lago-Sampedro, Ana A1 Lillo-Muñoz, Juan Antonio A1 Garcia-Fuentes, Eduardo A1 Perez-Valero, Vidal A1 Gutiérrez-Repiso, Carolina A1 Garcia-Escobar, Eva A1 Goday, Albert A1 Urrutia, Inés A1 Peláez, Laura A1 Calle-Pascual, Alfonso A1 Bordiú, Elena A1 Castaño, Luis A1 Castell, Conxa A1 Delgado, Elias A1 Menéndez, Edelmiro A1 Franch-Nadal, Josep A1 Gaztambide, Sonia A1 Girbés, Joan A1 Ortega, Emilio A1 Vendrell, Joan A1 Chacón, Matilde R A1 Javier Chaves, F A1 Soriguer, Federico A1 Rojo-Martínez, Gemma AB To analyze the reference range of thyroid-stimulating hormone (TSH) in different BMI categories and its impact on the classification of hypothyroidism. The study included 3,928 individuals free of thyroid disease (without previous thyroid disease, no interfering medications, TSH The reference range (p2.5-97.5) for TSH was estimated as 0.6 to 4.8 µUI/mL in the underweight category (BMI Persons with morbid obesity might be inappropriately classified if the standard ranges of normality of TSH for the normal-weight population are applied to them. YR 2017 FD 2017-03-09 LK http://hdl.handle.net/10668/10947 UL http://hdl.handle.net/10668/10947 LA en DS RISalud RD Apr 6, 2025