Table 2.
Demographic and clinical characteristics of patients with proven appendicitis in comparison with patients without appendicitis
| All (n = 183) | Appendicitis (n = 65) | No appendicitis (n = 118) | p value | |
|---|---|---|---|---|
| Age (years) | 0.0004 | |||
| Median | 30 | 32 | 28 | |
| Range | 18–71 | 18–61 | 18–71 | |
| Sex | 0.0002 | |||
| Female | 91 (49.7) | 22 (33.8) | 69 (58.5) | |
| Male | 92 (50.3) | 43 (66.2) | 49 (41.5) | |
| BMI (kg/m2) | 0.0018 | |||
| Median | 24.1 | 24.7 | 22.6 | |
| Range | 16.8–41.2 | 17.4–41.2 | 16.8–30.1 | |
| Leukocytes (4.2–10/nl) | < 0.000001 | |||
| Median | 10.4 | 14.48 | 8.89 | |
| Range | 2.83–24.99 | 2.83–24.99 | 2.92–23.01 | |
| C-reactive protein (< 0.5 mg/dl) | 0.000011 | |||
| Median | 0.5 | 1.73 | 0.28 | |
| Range | 0.01–23.66 | 0.02–23.66 | 0.01–20.57 | |
| Alvarado score | < 0.0000001 | |||
| Median | 5 | 7 | 4 | |
| Range | 0–10 | 4–10 | 0–8 | |
| CT scan performed | 36 (19.7) | 17 (26.2) | 19 (16.1) | 0.1 |
| Negative appendectomy | -- | -- | 4 (5.8) | -- |
| Length of hospital stay (days) | 0.0001 | |||
| Median | 3 | 4 | 3 | |
| Range | 1–12 | 3–12 | 1–9 |
Values are number of cases (%), unless otherwise indicated. For analysis of categorical variables, chi-squared test was used. Fisher’s exact test was used, if appropriate. Independent variables were compared with the Mann-Whitney U test or the Shapiro-Wilk test as appropriate
BMI body mass index