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Forest plot of multivariable logistic regression analysis for factors affecting anastomotic leakages.
Pale shade indicates non-significant odds ratios (ORs). The dashed line marks an OR of 1. Patient number (per cent) or mean(s.d.) for explanatory variables. KPS, Karnofsky performance score; COPD, chronic obstructive pulmonary disease; RCTx, radiotherapy or chemotherapy; NYHA, New York Heart Association.
