Frailty and the risk of infection-related hospitalizations in older age: Differences by sex.

Objectives: To investigate the extent to which frailty is associated with infection-related hospitalizations in older men and women, and to explore whether, among women, previous exposure to endogenous estrogens in terms of age at menopause and number of pregnancies modify such a relationship.

Study Design: The sample comprised 2784 participants in the Progetto Veneto Anziani aged ≥65 years. At baseline and after 4.