Description | Estimate (plausible range) | Source |
---|---|---|
Surgical cases per year (for one surgeon) | Scenario 1: 201 | [11](<7, ≥7, over 15 per 3 months) |
 | Scenario 2: 40 |  |
 | Scenario 3: 70 |  |
% reduction in adverse event rates | Scenario 1: 50% (base effect) | |
 | Scenario 2: 25% (small effect) |  |
 | Scenario 3: 75% (large effect) |  |
% of colon and rectal surgery cases | Â | Â |
   Colon | 68.7-75.9% | [11] |
   Rectal | 24.1-31.3% |  |
Baseline adverse event rates2,3 | Â | Â |
Anastomotic leak | 4.4% (0.5-8.2) | Mean of low/high values from up to 11 studies [4, 10–19, 22] (see Table 2) |
Wound infection | 5.6% (2.1-9.1%) | Â |
DVT | 3.5% (0.3-6.7%) | Â |
Respiratory complications (pulmonary embolism, infection, pneumonia) | 5.5% (0.2-10.7%) | Â |
Return to operating theatre | 7.5% (2.7-12.2%) | Â |
Post-op deaths (<30 days) % | 3.3% (0.2-6.4%) | As above |
(% attributed to complications) | (16%) | [11] |
Hospital costs (AUD 2009): | Â | AR-DRGs code (ALOS): |
   Rectal resection with complications | $33,277 | G01A (18.4 days) |
   Rectal resection with no complications | $18,094 | G01B (9.8 days) |
   Colon procedures with complications | $30,899 | G02A (17.8 days) |
   Colon procedures with no complications | $14,283 | G02B (8.2 days) |
12-month subscription to 'surgical performance' self-audit software4 | $250 | |
Data entry of surgical outcomes into audit software5 - performed by health information manager, 20 minutes per audit | $16.67 per audit | Based on salary $50 per hour |