Table 2.
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.