Objective.

Was to characterize hypothyroidism in patients attending the clinical laboratory of the Centro de Especialidades IESS de la Libertad, during the period January 2018 - January 2020 by measuring levels of FT3, FT4, TSH.

Materials and Methods

. A descriptive study of documentary design was performed. The universe constituted 2451 patients with suspected thyroid disease who attended the laboratory service of the Centro de Especialidades IESS, La Libertad during the period January 2018 to January 2020. We proceeded to review the results history files of the patients attended in the laboratory. Results. 617 patients met criteria for primary hypothyroidism which represents a prevalence of 25.2%. Subclinical hypothyroidism constitutes 70.8%, clinical hypothyroidism represents 29.2%, these were more frequent in women. Regarding the age group, subclinical hypothyroidism was more frequent in adults 44.9% and in young adults 24.8%. In reference to the associated comorbidities; both in clinical and subclinical hypothyroidism the most representative in order of frequency are: arterial hypertension (35%), dyslipidemia (25.8%) and diabetes mellitus (14.1%).

Conclusions.

There is a high prevalence of primary hypothyroidism, men are mostly classified with clinical hypothyroidism, women have a higher frequency of subclinical hypothyroidism. The presence of comorbidities such as arterial hypertension, dyslipidemias and type II diabetes mellitus are present in the hypothyroid patients studied.