Table 3 Comparison of C-reactive protein values and modified Alvarado score between patients with and without appendicitis
Appendicitis, n (%) n = 323 (64.6%) | No appendicitis, n (%) n = 177 (35.4%) | p | |
|---|---|---|---|
White blood cell count, 1000/mm3 | 14.6 (5.9) | 12.1 (4.1) | 0.002 |
Admission CRP mg/L, mean (SD) | 40.4 (30.5) | 20.3 (42.9) | < 0.001 |
Admission CRP mg/L, median (IQ range) | 16.3 (5.4–60) | 4,8 (1.1–14.9) | |
3 h CRP mg/L, mean (SD) | 48.4 (31.9) | 21.9 (23.5) | < 0.001 |
3 h CRP mg/L, median (IQ range) | 26.9 (8.3–77.9) | 7.9 (1.6–24.3) | |
Delta CRP mg/L, mean (SD) | + 9.7 (23.3) | + 1.8 (28.5) | 0.001 |
Delta CRP mg/L, median (IQ range) | 3.7 (0.5–11.9) | 1.1 (0.06–4.6) | |
Modified Alvarado score, mean (SD) | 4.5 (1.5) | 3.8 (1.6) | < 0.001 |