In this thesis, hospital variation concerning various surgical outcomes is illustrated, thereby exploring the usability of these outcomes for hospital comparisons, both from a clinical and... Show moreIn this thesis, hospital variation concerning various surgical outcomes is illustrated, thereby exploring the usability of these outcomes for hospital comparisons, both from a clinical and methodological point of view. Moreover, the studies provide insight in risk factors for adverse events in colorectal and oesophageal cancer surgery, focusing on the mechanism behind postoperative complications leading to mortality or not. Show less
