Table 2.
Demography and characteristics of the included patients with suspicion of appendicitis
| Characteristic | Total | Abdominal pain | Non-specific | Appendicitis | Other |
|---|---|---|---|---|---|
| Uncomplicated | Complicated | Diagnoses | |||
| Numbers (%) | 3878 | 1986 (51.2) | 821 (21.2) | 724 (18.7) | 347 (8.9) |
| Age, median (IQR) | 26.1 (18.2–40.3) | 23.4 (17.6–34.9) | 26.5 (18.5–38.7) | 34.2 (19.9–50.2) | 34.7 (21.5–54.1) |
| Males (%) | 1802 (46.5) | 751 (37.8) | 483 (58.8) | 423 (58.4) | 145 (41.8) |
| Females (%) | 2076 (53.5) | 1235 (62.2) | 338 (41.2) | 301 (41.6) | 202 (58.2) |
| Duration of symptoms, hours (IQR) | 24 (12–48) | 24 (10–48) | 20 (12–30) | 24 (14–48) | 24 (12–48) |
| One missing value | 791 (20.4%) | 401 (20.2) | 176 (21.4) | 138 (19.1) | 76 (21.9) |
| Two missing values | 194 (5.0%) | 120 (6.0) | 38 (4.6) | 29 (4.0) | 7 (2.0) |
| Imaging | 1788 (37.8) | 606 (30.5) | 496 (60.4) | 412 (56.9) | 274 (78.9) |