Provisional trigger rule | Adverse event | Utility for system intervention (1: high; 9: low) | |||||
Round 1 | Round 2 | Round 3 | |||||
Median | Range | Median | Range | Median | Range | ||
Same-day surgery and 2 or more postoperative clinic visits ≤30 days | ANY AE | 6.0 | 1–9 | 6.0 | 1–9 | 7.0 | 5–9 |
Same-day Surgery And subsequent emergency room visit ≤ 21 days | ANY AE | 2.0 | 1–6 | 2.5 | 1–7 | 2.0 | 1–4 |
Same-day surgery and unscheduled readmission to hospital ≤30 days | ANY AE | 1.0 | 1–4 | 2.0 | 1–3 | 2.0 | 1–3 |
Same-day surgery and unscheduled procedure (interventional radiological or urological or dental or cardiac or gastroenterological) or reoperation ≤30 days | ANY AE | 2.0 | 1–9 | 2.0 | 1–3 | 2.0 | 1–3 |
Scheduled same-day surgery and hospital length of stay >24 h | ANY AE | 2.0 | 1–5 | 3.0 | 1–5 | 3.0 | 2–5 |
Same-day surgery and antibiotics started or continued >24 h postoperatively or wound debridement ICD code or microbiological specimen. Exclude contaminated surgeries. | Surgical site infection | 3.0 | 1–8 | 3.5 | 1–8 | 3.0 | 3–8 |
Same-day Surgery and (Wound supplies prescription or wound care nurse consult or visiting nurse services for wound care). Exclude contaminated surgeries and patients with ostomies. | Surgical site infection | 3.0 | 1–9 | 3.0 | 1–9 | 3.0 | 3–9 |
Same-day Surgery and urinalysis ≤15 days and ((positive nitrite) or (urine culture with >100 000 micro-organisms and 2 or fewer species)) | Urinary tract infection | 4.0 | 1–9 | 4.0 | 2–9 | 4.0 | 3–8 |
Same-day surgery and Doppler ultrasound ≤30 days and (ICD code for deep vein thrombosis or ICD code for pulmonary embolus) ≤30 days | Deep vein thrombosis | 2.0 | 1–5 | 2.0 | 1–4 | 2.0 | 1–3 |
Same-day surgery and haematocrit check ≤14 days and haematocrit drop >6 units from preoperative baseline | Haemorrhage/haematoma | 4.0 | 1–9 | 4.0 | 2–7 | 3.5 | 2–6 |
AE, adverse event; ICD, international classification of diseases.