Table 4.
Predictive factors analysis of the AIR score.
| Predictive Factor, n (%) | Group I | Group II | p * | |
|---|---|---|---|---|
| Perforated Appendicitis (n = 38) |
Non-Perforated Appendicitis (n = 146) |
|||
| Vomiting | 28 (73.7) | 83 (56.8) | 0.059 | |
| Pain in RIF | 38 (100) | 146 (100) | >0.999 | |
| Axillary temperature ≥38.5 °C | 18 (47.4) | 16 (11) | <0.001 | |
| Polymorphonuclear leukocytes | <70% | 2 (5.3) | 10 (6.8) | <0.001 |
| 70–84% | 10 (26.3) | 92 (63) | ||
| ≥85% | 26 (68.4) | 44 (30.2) | ||
| CRP level | <10 mg/L | 1 (2.6) | 45 (30.8) | <0.001 |
| 10–49 mg/L | 9 (23.7) | 68 (46.6) | ||
| ≥50 mg/L | 28 (73.7) | 33 (22.6) | ||
| WBC count | <10 × 109/L | 2 (5.3) | 23 (15.8) | <0.001 |
| 10–14.9 × 109/L | 12 (31.6) | 71 (48.6) | ||
| ≥15 × 109/L | 24 (63.2) | 52 (35.6) | ||
| AIR score median (IQR) |
10 (9, 11) |
7 (6, 9) |
<0.001 † | |
* Chi-square test; † Mann-Whitney U-test; RIF—Right inferior fossa; CRP—C-reactive protein; WBC—White blood cell; AIR—Appendicitis inflammatory response; IQR—Interquartile range.