A randomized clinical trial comparing the cytobrush and cotton swab for papanicolaou smears

Objective: We sought to determine whether use of the Cytobrush/spatula or the cotton swab/spatula is better in obtaining satisfactory Papanicolaou smears as defined by the Bethesda System. Methods: This 1-year randomized trial was performed at the Los Angeles County+University of Southern California Women's Hospital colposcopy clinic. Participants were all nonpregnant patients referred to the colposcopy clinic for abnormal Papanicolaou smears. The main outcome measurement was the effectiveness in obtaining satisfactory Papanicolaou smears as defined by the Bethesda System