Case-control study of medical comorbidities in women with interstitial cystitis.

Purpose: We used physician assigned diagnoses in an electronic medical record to assess comorbidities associated with interstitial cystitis.

Materials And Methods: A computer search of the administrative database at Kaiser Permanente Northwest, Portland, Oregon was performed for May 1, 1998 to April 30, 2003. All women with a medical record diagnosis of interstitial cystitis (ICD-9 code 595.