Cervical cytology screening history of women diagnosed with adenocarcinoma in situ of the cervix: A case-control study

Abstract

OBJECTIVE: To determine whether women diagnosed with adenocarcinoma in situ (AIS) of the cervix are as well screened as healthy control women. STUDY DESIGN: A case-control study was performed (307 cases, 1,228 controls) within a statewide registry. Cases consisted of women diagnosed with AIS on histology between 1995 and 2001. Screening histories were compiled from registry records. Variables of interest included number of previous negative Pap smears, time interval since last negative Pap smear, median time between previous negative Pap smears, proportion of negative Pap smears with an endocervical component and history of cervical abnormality. RESULTS: Conditional logistic regression showe..