New software for collecting data from the organized cervical cancer screening program in Serbia. Are we on the threshold of a new screening registry? - A multicentric study.

PURPOSE The purpose of this study was to present the Screening Registry and the results of organized cervical cancer screening program (OCCSP) in the Republic of Serbia using a database made as an output model, linked with the Screening Registry. METHODS Data were respectively collected over a onemonth period from 3 state primary health care centers (and related hospitals/clinical center) in central Serbia in which OCCSP was conducted. The sample consisted of women of the target population (25 to 64 years old) who responded the call for Pap test. RESULTS The most frequent abnormal cytological diagnosis was in the 38-50 years age group, and consisted of atypical squamous cells of undetermined significance - ASCUS (7.5%) and low grade squamous intraepithelial lesions - L-SIL (7.3%). The most frequent abnormal colposcopic finding in the youngest age group of women (25-37 years) was iodine negative epithelium (35.7%) and in the group of women aged 38-50 and 51-64 years acid-white epithelium. The most common histopathological diagnosis was L-SIL. Positive predictive value of colposcopy in relation to the Pap test was 0.64 (95% CI=0.56-0.70). Interrater agreement (between cytotechnicians and supervisors) measured by the Cohen's coefficient was 0.94 (95% CI=0.91 to 0.97), but between cytology (supervisors) and pathology findings it was 0.83 (95% CI = 0.67 to 0.99). CONCLUSION The existence of a screening registry contributes to a better epidemiological surveillance of a screening program, and to a possibility for development of various epidemiological researches.