77 Level of digitization in Dutch hospitals and the lengths of stay Table 1 - Continued. Patient and hospital characteristics EMRAM-score EMRAM <3 EMRAM>=3 Count Column N % Count Column N % Complications No complications 5570 69,8% 11362 67,1% Complication 1431 17,9% 3400 20,1% Complications and reintervention 770 9,6% 1777 10,5% Complications and death 214 2,7% 403 2,4% Size of hospital admitted Small 1489 18,6% 2006 11,8% Medium 3711 46,3% 5789 34,1% Large 2808 35,1% 9181 54,1% Type of hospital admitted General hospitals 4446 55,5% 5965 35,1% Academic affiliated 3562 44,5% 11011 64,9% Region of hospital admitted East 1271 15,9% 3438 20,3% North 1517 18,9% 1728 10,2% South 1727 21,6% 5547 32,7% West 3493 43,6% 6263 36,9% Looking at the subgroup of academic affiliated hospitals (N=34) (Table 3) the significance of the change of the LOS in the hospital when corrected for the casemix, year of operation and type of surgery (laparoscopy or laparotomy) disappears. Still, when corrected for complications there is a significant decreasing effect. Looking at the subgroup of general hospitals (n=39) (Table 4) a significant negative association (relative median LOS 0,934, CI 95% 0,915 - 0,954) is found when corrected for the case mix. This means an estimated decrease of the median LOS of 6,6% and 6,1% when also corrected for complications (eB1=0,939). For LOS in de ICU the multivariate regression shows a significant (relative median LOS 1,104, CI 95% 1,036 – 1,177) increase for hospitals with higher EMRAM scores. When additionally adjusted for complications, there are no significant associations 5
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