Deaths from VTE in a hospital or within 90 days of a day case admission, where the admission closest to death did not record any VTE diagnosis, April 2017 to March 2020, by top 10 procedure groups (percentages of 938 deaths where procedure type was recorded)
| Grouped day cases | Number | Percentage of total |
| Chemotherapy | 191 | 20.4 |
| Upper gastrointestinal tract endoscopy and associated procedures including biopsy | 98 | 10.4 |
| Prosthetic lens insertion and associated procedures | 68 | 7.2 |
| Lower gastrointestinal tract endoscopy and associated procedures including biopsy | 64 | 6.8 |
| Transfusion of blood/blood products | 54 | 5.8 |
| Other therapeutic infusions not elsewhere classified | 46 | 4.9 |
| Excision or biopsy of skin lesion | 37 | 3.9 |
| Respiratory tract endoscopy and associated procedures including biopsy | 30 | 3.2 |
| Central catheter insertion or removal | 22 | 2.3 |
| Procedures related to ascites drainage | 21 | 2.2 |
| Other less frequently recorded procedure types combined (154 different procedures) | 307 | 32.7 |
VTE, venous thromboembolism.