Iddo Gal, Vince Geiger
Welcome to the era of vague news: a study of the demands of statistical and mathematical products in the COVID-19 pandemic media
Educational studies in mathematics
wellknown complication laparoscopic management gynaecologic masses cancers need perform intraoperative conversion laparotomy purpose study identify novel patient risk factors conversion minimally invasive open surgeries gynaecologic oncology operations retrospective cohort study 1356 patients 18 years age underwent surgeries gynaecologic masses malignancies february 2015 may 2020 single academic medical centre multivariable logistic regression used study effects older age higher body mass index bmi higher american society anaesthesiologist asa physical status lower preoperative haemoglobin hb odds converting minimally invasive open surgery receiver operating characteristic roc curve analysis assessed discriminatory ability risk prediction model conversion total 704 planned minimally invasive surgeries included overall conversion rate 61 43704 preoperative hb lowest conversion cases compared minimally invasive open cases 116 19 vs 128 15 vs 118 19 gdl p001 patients preoperative hb 10 gdl adjusted odds ratio 394 ci 165941 p002 conversion patients bmi 30 kgm2 adjusted 286 ci 150546 p001 conversion roc curve analysis using predictive variables age 50 years bmi 30 kgm2 asa physical status 2 preoperative haemoglobin 10 gdl resulted area roc curve 071 patients 2 risk factors highest risk requiring intraoperative conversion 120 lower preoperative haemoglobin novel risk factor conversion minimally invasive open gynaecologic oncology surgeries stratifying patients based conversion risk may helpful preoperative planning