157 7 Improving Enhanced Recovery After Surgery (ERAS): The Effect of a Patient-Centred Mobile Application Table 5: Postoperative outcomes Control group (n=68) APPtimize group (n=72) P - value Length of hospital stay (days) a 5.00 (4.00 – 7.75) 5.00 (4.00 – 6.75) 0.997 Pain (VAS) Day 1 4.7 (2.1) 4.9 (2.0) 0.655 Day 2 4.2 (2.1) 4.1 (2.0) 0.771 Day 3 3.6 (2.2) 3.7 (1.9) 0.773 Day 4 3.8 (2.3) 3.5 (1.9) 0.477 Day 5 3.7 (2.5) 3.0 (2.0) 0.113 Day 6 3.6 (2.1) 3.1 (2.0) 0.184 Day 7 3.3 (2.1) 2.5 (1.5) 0.021 Complications 16 (23.5%) 19 (26.4%) 0.736 Ileus 2 (2.9%) 4 (5.6%) 0.445 Gastroparesis 2 (2.9%) 4 (5.6%) 0.445 Anastomotic leakage 4 (5.9%) 9 (12.5%) 0.178 Stoma obstruction 1 (1.5%) 0 (0%) 0.302 Urinary tract infection, 2 (2.9%) 2 (2.8%) 0.954 Electrolyte imbalance 2 (2.9%) 2 (2.8%) 0.954 Surgical site infection 1 (1.5%) 3 (4.2%) 0.339 Other, n (%) 6 (8.8%) 4 (5.6%) 0.453 Reintervention 4 (5.9%) 7 (9.7%) 0.523 Readmission 9 (10.6%) 13 (15.7%) 0.228 a Values are median (IQR)
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