Table 1.
Characteristics of the patients included in the study.
Fig 1.
ab. Hospital volume (1a), surgeon volume (1b). (1a). Median hospital volume = 55; Interquartile range = 41–68. (1b). Median surgeon volume = 6; Interquartile range = 4–9.
Table 2.
30-day, 90-day mortality and anastomotic leakage risk according to quartiles of hospital volume and surgeon volume.
Table 3.
Association between adjusted volume predictors and the outcomes 30-day mortality, 90-day mortality and anastomotic leakage.
Fig 2.
Change in median odds ratio (MOR) on surgeon level considering different case mix and prediction factors for 30-day, 90-day mortality and anastomotic leakage.
Fig 2 a. Between-hospital variation in outcomes. Change in median odds ratio (MOR) on hospital level considering different case mix and prediction factors for 30-day, 90-day mortality and anastomotic leakage. Fig 2 b. Between-surgeon variation in outcomes. Change in median odds ratio (MOR) on surgeon level considering different case mix and prediction factors for 30-day, 90-day mortality and anastomotic leakage.