Study | No. patients | Age, mean (range) yr | Mean duration of symptoms before surgery | Right-sided, % | Vomiting, % | Fever, % | Diagnostic modalities used (%) |
---|---|---|---|---|---|---|---|
Meyer et al.7 | 12 | 10 (0–15) | 4.6 d | 58.3 | 50 | 16.6 | Ultrasound (91.2) |
Kokoska et al.4 | 51 | 12.5 (8–16) | 4.8 h | 57 | 73 | 22 | Ultrasound (73) CT (10) OR (17) |
Anders and Powell13 | 22 | 10.2 (3–15) | 94.3 h | 40.9 | 77 | 18 | Ultrasound (86.4) CT (18.2) |
Rousseau et al.12 | 40 | 11 (3–14) | NR | 57.5 | 67.5 | NR | Ultrasound (97.5) CT (2.5) |
Galinier et al.10 | 45 | 11 (2–17) | 3 d | NR | NR | NR | Ultrasound (84.4) OR (15.6) |
Oltmann et al.11 | 97 | 10.9* (0–17) | NR | 68 | NR | NR | NR |
CT = computed tomography; NR = not reported; OR = operating room.
↵* Excluding infants (age < 1 yr).