Perioperative practice patterns and projected costs
| Issue | Cost per surgery (US$) | US cost (3.7 million cases) US$ (million) | EU cost (7 million cases) US$ (million) | Evidence-based impact on safety |
| Single surgeon | 37 | 135.6 | 256.6 | |
| Two surgeons | 73 | 271.3 | 513.3 | |
| Difference | 37 | 135.6 | 256.6 | + |
| ‘On call’ anaesthesiologist | 9 | 34.2 | 64.7 | |
| Dedicated anaesthesiologist | 37 | 136.9 | 259 | |
| Difference | 28 | 102.7 | 194.2 | +/– |
| Intra-op monitoring all inclusive | 1 | 3.7 | 7 | +++ |
| Pre-op ocular diagnostics: single test | 35 | 129.5 | 245 | |
| Pre-op ocular diagnostics: four tests | 140 | 518 | 980 | |
| Difference | 105 | 388.5 | 735 | – |
| Pre-op systemic testing: physician assessment | 37 | 135.6 | 256.6 | |
| Pre-op systemic testing: ECG+blood testing | 55 | 203.5 | 385 | |
| Difference | 18 | 67.8 | 128.3 | +/– |
| Pre-op therapy: topical antibiotic | 20 | 74 | 140 | +/– |
| Pre-op therapy: topical NSAID | 20 | 74 | 140 | + |
| Intra-op prophylaxis: povidone+antibiotic AC | 11 | 40.7 | 77 | +++ |
| Phaco pac sterile all inclusive | 70 | 259 | 490 | +++ |
Bold value signify 0.05 p level.
AC, anterior chamber; NSAID, non-steroid anti-inflammatory drug.