Overall blood contamination on Kastle-Meyer testing by equipment type
| Equipment | Proportion testing +ve for blood |
|---|---|
| Extrication boards | 26/36 (72%) |
| Boxsplints | 36/52 (69%) |
| Head blocks | 50/76 (66%) |
| Head boards | 21/34 (62%) |
| Head straps | 36/66 (55%) |
| Straps | 83/170 (49%) |
| Cervical collars | 27/57 (47%) |
| Total | 279/491 (57%) |