The 28 procedures accounting for more than half of all elective surgical activities in England
| Procedure | Total number of cases | Patient risk | Mean distance travelled (km) | ||
| Low risk (%) | Medium risk (%) | High risk (%) | |||
| Lower GI endoscopy | 937 616 | 74.8 | 17.9 | 7.3 | 9.8 |
| Upper GI endoscopy | 650 133 | 66.9 | 22.1 | 10.9 | 9.4 |
| Lens extraction+ replacement | 395 445 | 33.5 | 46.5 | 20.0 | 10.9 |
| Excision of skin lesion | 215 608 | 55.0 | 29.5 | 15.5 | 12.7 |
| Injection/aspiration joint | 142 562 | 71.6 | 20.9 | 7.5 | 12.6 |
| Vitrectomy | 132 938 | 39.9 | 44.1 | 16.1 | 13.2 |
| Cystoscopy | 130 114 | 56.4 | 26.2 | 17.4 | 11.8 |
| Insertion of central venous catheter | 109 864 | 24.3 | 38.3 | 37.4 | 14.0 |
| Coronary angiography | 105 620 | 56.2 | 30.0 | 13.8 | 13.9 |
| Dental extraction | 101 435 | 91.6 | 5.8 | 2.5 | 11.5 |
| Knee replacement | 78 773 | 53.3 | 34.4 | 12.3 | 13.4 |
| Bladder catheterisation or irrigation | 71 552 | 42.5 | 32.7 | 24.8 | 12.8 |
| Injection to bladder | 67 167 | 34.3 | 29.8 | 35.9 | 11.5 |
| Spinal facet joint injection | 64 154 | 70.4 | 21.9 | 7.7 | 14.0 |
| Cholecystectomy | 61 790 | 80.5 | 13.8 | 5.7 | 11.8 |
| Lymph node biopsy | 60 674 | 34.8 | 34.4 | 30.8 | 14.9 |
| Epidural or spinal injection | 60 656 | 69.2 | 22.6 | 8.1 | 12.9 |
| Inguinal hernia repair | 58 943 | 72.6 | 19.9 | 7.5 | 10.9 |
| Spinal nerve root injection | 58 212 | 77.0 | 17.5 | 5.5 | 16.2 |
| Knee meniscectomy/ meniscal repair | 57 871 | 93.2 | 5.9 | 0.8 | 12.4 |
| Hysteroscopy | 52 360 | 90.9 | 6.4 | 2.7 | 9.9 |
| Carpal tunnel release | 48 245 | 70.7 | 22.2 | 7.1 | 11.0 |
| Application/ removal of internal fixation of bone | 46 771 | 84.6 | 11.9 | 3.5 | 15.7 |
| Dental clearance | 43 463 | 82.3 | 11.7 | 5.9 | 11.1 |
| Partial breast excision | 41 827 | 50.1 | 31.4 | 18.5 | 11.5 |
| Bone marrow biopsy | 38 369 | 39.8 | 34.8 | 25.5 | 15.6 |
| Primary joint resurfacing | 37 854 | 59.3 | 30.1 | 10.5 | 14.0 |
| Cystoscopy+ resection of bladder lesion | 37 458 | 17.7 | 29.8 | 52.5 | 11.2 |
The proportion of patients classified as low, medium and high risk according to table 1 is shown, along with the mean distance travelled from a patient’s LSOA of residence to the hospital site in which the procedure is performed.
GI, gastrointestinal; LSOA, lower layer super output area.