European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology
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Comorbidity affects outcomes after colorectal cancer surgery. However, it's importance in risk adjustment is unclear and different measures are being used. This study aims to assess its impact on post-operative outcomes. ⋯ Irrespective of the measure used, comorbidity is an independent risk factor for adverse outcome after colorectal surgery. However, the importance of comorbidity in risk-adjustment models is limited. Probably the work and costs of data collection for auditing can be reduced, without compromising risk-adjustment.