Gender and age-related variations in human immunodeficiency virus infection trends at the Mexican Institute of Social Security: 2003-2017

Diagnosing and treating human immunodeficiency virus carriers has led to the identification of a higher prevalence of said infection and, therefore, of a higher risk of transmission of the virus. To find out the trend of new cases of human immunodeficiency virus infection carriers at the Instituto Mexicano del Seguro Social (IMSS) in Mexico within the 2003-2017 period. Patients affiliated to the IMSS were analyzed. Data from 42,181 newly-diagnosed cases were collected, with variations related to gender and age being observed. Age-standardized rates per 100,000 population were obtained. The highest mean annual percentage change in males was documented in adolescents (13.0, 95% CI = 9.9, 16.1). Heterogeneous trends were recorded for women, with a significant overall decrease (-2.2, 95% CI = -3.4, -1.0), but growing trends were also observed in some groups. Our results suggest that the human immunodeficiency epidemic in patients cared for at the Instituto Mexicano del Seguro Social is concentrated in males, with a growing trend particularly in adolescents.