Table 3.
Required data fields
| 1 | Patient age (whole years) | Years |
|---|---|---|
| 2 | Patient gender | Male, female |
| 3 | ASA score | I, II, III, IV, V |
| 4 | History of ischaemic heart disease | Yes, no |
| 5 | History of congestive heart failure | Yes, no |
| 6 | History of cerebrovascular disease (stroke or transient ischaemic attack) | Yes, no |
| 7 | History of diabetes | No, diet, controlled, tablet controlled, insulin controlled |
| 8 | Chronic kidney disease (creatinine >177 μmol/L) | Yes, no |
| 9 | Was the patient taking regular aspirin? | Yes, and restarted in the first 7 postoperative days; yes, but did not restart in the first 7 postoperative days; no |
| 10 | Was the patient taking a perioperative statin? | Yes, high dose (40 mg OD simvastatin or equivalent), Yes, low dose (5–20 mg OD simvastatin or equivalent), No |
| 11 | Date of operation | DD/MM/YY |
| 12 | Time of operation | 24 h clock |
| 13 | Operative approach | Laparoscopy, laparoscopy converted to open, open |
| 14 | Primary operation performed | Hartmann’s, left hemicolectomy, right hemicolectomy, subtotal colectomy, panproctocolectomy, anterior resection, abdominoperineal resection, small bowel resection, complete gastrectomy, partial gastrectomy, oesophagectomy, Whipple’s, other (free text) |
| 15 | Elective or emergency | Elective, emergency |
| 16 | Anastomosis performed | Handsewn, stapled, stoma |
| 17 | Stoma formation | Planned temporary, permanent, none |
| 18 | Underlying pathology/indication | Diverticular disease, hernia, malignancy, polyp, ischaemic bowel, adhesional obstruction, faecal perforation, ulcerative colitis, Crohn's disease, postoperative complication, other |
| 19 | Highest postoperative glycaemic reading within 72 h of surgery using finger prick, blood gas or laboratory value (mmol/L) | Value (mmol/L) |
| 20 | Postoperative critical care admission? | Planned from the theatre, unplanned from the theatre, unplanned from the ward, none |
| 21 | Postoperative ERAS pathway used? | Yes, no |
| 22 | Was an NSAID used postoperatively? | Yes—ibuprofen, yes—diclofenac, yes—naproxen, yes—celecoxib, yes—rofecoxib, yes—other, no |
| 23 | What day was the first dose of NSAID given? | Day 1–7 (day 1 is day of surgery), none given |
| 24 | What dose of NSAID was given? | Low, high, none given |
| 25 | Total length of stay (days) | Days |
| 26 | 30-day readmission? | Yes, no |
| 27 | Surgical complication grade (Clavien-Dindo classification, list most severe grades I–V) | None, I, II, III, IV, V |
| 28 | Anastomotic leak | Yes, no |
| 29 | Wound infection | Yes, no |
| 30 | Intra-abdominal/pelvic abscess | Yes, no |
| 31 | Cardiovascular event | Yes, no |
ASA, American society of anesthesiologists; ERAS, enhanced recovery after surgery; NSAID, non-steroidal anti-inflammatory drug.