%0 Journal Article %T Risk calculator for predicting postoperative pneumonia after gastroenterological surgery based on a national Japanese database %A Go Wakabayashi %A Hiraku Kumamaru %A Hiroaki Miyata %A Hiroyuki Konno %A Kazuhiko Nakajima %A Masaki Mori %A Mitsukazu Gotoh %A Motoi Uchino %A Takashi Ueda %A Yasuyuki Seto %J Archive of "Annals of Gastroenterological Surgery". %D 2019 %R 10.1002/ags3.12248 %X The aim of the present study was to develop a risk calculator predictive of postoperative pneumonia in patients undergoing gastroenterological surgery %K gastroenterological surgery %K National Clinical Database %K pneumonia %K postoperative complication %K risk model %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6635692/