- Volume 16 Issue 10
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Performance of the R-way Colposcopic Evaluation System in Cervical Cancer Screening
- Zhao, Jian (Department of Gynaecology and Obstetrics, Peking University First Hospital, Peking University Health Science Center, Peking University) ;
- Zhang, Xi (Department of Cancer Epidemiology, National Cancer Center, Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College) ;
- Chen, Rui (Beijing Tsinghua Changguang Hospital, Capital Medical University) ;
- Zhao, Yu-Qian (Department of Cancer Epidemiology, National Cancer Center, Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College) ;
- Wang, Ting-Ting (Chinese Center For Disease Control And Prevention) ;
- He, Shan (Beijing Luhe Hospital, Capital Medical University) ;
- Qiao, You-Lin (Department of Cancer Epidemiology, National Cancer Center, Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College)
- Published : 2015.06.03
Objective: To investigate the diagnostic value of the R-way colposcopic evaluation system (R-way system) in cervical cancer screening. Materials and Methods: Between August 2013 and August 2014, a total of 1,059 cases referred to colposcopy in Peking University First Hospital were studied using both the R-way system and conventional colposcopy. Our study evaluated and compared the diagnostic ability of the two methods in detecting high-grade lesions and cervical cancer (hereinafter called CIN2+). Evaluation indicators including sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), Youden index and the area under the curve (AUC) of the receiver operating characteristic (ROC) were calculated. Results: The R-way system had a slightly lower specificity (94.5%) than conventional colposcopy (96.0%) for CIN2+ detection (P=0.181). However, the sensitivity (77.8%) was significantly higher than with the conventional colposcopic method (46.6%) (
R-way colposcopic evaluation system;conventional colposcopic examination;cervical cancer screening
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