Table 1.
Outcome of the retrospective investigation
| Symptoms | Odds ratio | 95 % confidence interval | p |
|---|---|---|---|
| Nausea | 2.64 | 1.73-4.03 | <0.001 |
| Vomiting | 2.26 | 1.42-3.58 | 0.001 |
| Loss of appetite | 3.40 | 1.97-5.88 | <0.001 |
| Pain in the right fossa | 23.03 | 13.25-40.05 | <0.001 |
| Pain in the left fossa | 0.77 | 0.39-1.51 | 0.45 |
| Pain in the right hypochondrium | 0.27 | 0.12-0.62 | 0.002 |
| Pain in the left hypochondrium | 0.39 | 0.11-1.36 | 0.14 |
| Pain in the epigastrium | 0.73 | 0.45-1.19 | 0.21 |
| Pain in the umbilical area | 2.13 | 1.35-3.36 | 0.001 |
| Pain migration | 23.65 | 11.86-47.15 | <0.001 |
| Insidious occurrence of pain | 1.31 | 0.79-2.17 | 0.30 |
| Pain provoked by movement | 2.04 | 1.12-3.72 | 0.019 |
| Signs | |||
| Tenderness in the right fossa | 80.35 | 35.38-182.50 | <0.001 |
| Tenderness in the left fossa | 0.95 | 0.47-1-90 | 0.88 |
| Tenderness in the right hypochondrium | 0.18 | 0.07-0.45 | <0.001 |
| Tenderness in the left hypochondrium | 0.53 | 0.14-1.93 | 0.34 |
| Tenderness in the epigastrium | 0.16 | 0.07-0.36 | <0.001 |
| Tenderness in the umbilical area | 0.87 | 0.47-1.61 | 0.66 |
| Indirect tenderness | 29.12 | 11.24-75.43 | <0.001 |
| Rigid abdomen | 2.06 | 0.71-6.00 | 0.18 |
| Diagnostic measures | |||
| Image diagnostics | 4.99 | 3.12-7.97 | <0.001 |
| Raised leukocyte count | 11.11 | 6.55-18.84 | <0.001 |
| Raised CRP | 28.86 | 15.19-58.82 | <0.001 |
| Increasing CRP | 27.97 | 10.78-72.56 | <0.001 |
Association between recorded symptoms, signs and diagnostic measures and the risk for subsequently undergoing appendectomy