
Impact of Hospital Volume on Postoperative Morbidity and Mortality Following a Colectomy for Ulcerative Colitis
Keywords: ipaam; ICD-9-CM; International Classification of Diseases, 9th Version, Clinical Modification; IPAA; ileal pouch anal anastomosis; IQR; interquartile range; NIS; nationwide inpatient sample; OR; odds ratio; aOR; adjusted odds ratio; UC; ulcerative colitis;