Colposcopy: analysis of a single-examiner learning curve of first 200 cases

TAO Xia; ZHAO Jian; SHI Yun

doi:10.19538/j.fk2017040117

Abstract：Objective To evaluate the effectiveness of colposcopy beginner and to define the learning curve of colposcopy examiner.Methods A retrospective study was performed.Totally 200 colposcopy cases at the outpatient clinic of Peking University First Hospital from March 2015 to October 2015 were included in this study.Patients were divided into two groups:the first 100 cases and the later 100 cases.The clinical characteristics,including age,indication of coloposcopy,examining time,rate of biopsy,the detection rate of cervical intraepithelial neoplasia (CIN) and the coincidence rate of eolposcopy with pathology,were compared.Results No significant difference was observed in the medium age and indication of colposcopy (P＞0.05).The medium examining time of first 100 cases was longer than that of the later 100 cases [(14.87±3.83) min vs.(12.05±3.57) min] (P＜0.05);Among the first 100 patients,33 turned out to be LSIL or worse,followed by 27 with LSIL or worse in the other 100 patients,no significant difference between the two groups was observed (33 vs.27 cases)(P＞0.05).No significant difference was observed in the coincidence rate with pathology (61.2％ vs.58.4％) (P＞0.05).Of the first 100 cases,four patients returned to out-patient clinic for the following reasons:fever,vaginal bleeding,and having difficulty removing the vaginal gauze.Conclusion The examining effectiveness increases with the cases accumulation for the colplscopy examining-beginner.The detection rate of CIN I or worse cases and coincidence rate with pathology are stable.