Predictive model of the number of expected diagnoses of ‘traumatic appendicitis’ according to the incidence of trauma per year in the UK and 1000 runs of the computer model.
| Trauma incidence | Traumas (n)* | With appendicitis (n)* | Traumatic appendicitis* | % runs of model with traumatic appendicitis cases |
| 1 in 1 | 67 100 000 (67 100 000–67 100 000) | 101 304 (100 236–102 633) | 1109 (983–1211) | 100 |
| 1 in 10 | 6 709 977 (6 703 141–6 717 497) | 101 296 (100 311–102 223) | 111 (80–156) | 100 |
| 1 in 100 | 670 989 (667 466–673 742) | 101 327 (100 450–102 404) | 11 (1–23) | 100 |
| 1 in 1000 | 67 111 (66 313–67 972) | 101 325 (100 273–102 265) | 1 (0–7) | 67.5 |
| 1 in 10 000 | 6709 (6488–6978) | 101 313 (100 263–102 140) | 0 (0–3) | 10.8 |
*Summarised as median with ranges in parentheses.