OBJECTIVES: Probing for clues to the pathogenesis of interstitial cystitis/painful bladder
syndrome (IC/PBS), we sought antecedent nonbladder syndromes that distinguished
incident IC/PBS cases from matched controls. METHODS: Female incident IC/PBS cases
were recruited nationally, and their IC/PBS onset date (index date) was established. The
controls were recruited by national random digit dialing and matched to the cases by sex,
age, region, and interval between the (assigned) index date and interview. The prevalence …