Fig. 3From: Comparison of 6-min walk test distance vs. estimated maximum oxygen consumption for predicting postoperative pulmonary complications in patients undergoing upper abdominal surgery: a prospective cohort studyROC curve for 6MWD (blue) and e\(\dot{V}\)O2max (red) in the prediction of PPCs, with cutoff value indicated by black squares. Abbreviations: 6MWD, 6-min walk test distance; e\(\dot{V}\)O2max, estimated maximum oxygen consumptionBack to article page