Risk factors for pelvic inflammatory diseases among Swedish women aged 15 years or older : A nationwide cohort study (2002–2018)
Objectives This study aimed to examine associations of sociodemographic factors, cervical cancer, urogenital infections (cystitis, vulvovaginitis, and vaginosis), and parity with pelvic inflammatory diseases (PID). Methods Nationwide open cohort study including 4,097,075 women aged 15 years or older during the study time period (2002–2018). Cox proportional hazard regression models were used to es
