Characteristic | Overall (N=945) | <6 years (n=141) | 6 to <11 years (n=351) | 11 to <19 years (n=453) |
Appendicitis | 415 (43.9%) | 39 (27.7%) | 164 (46.7%) | 212 (46.8%) |
Perforated | 29.60% | 64.10% | 34.80% | 19.30% |
Operative | 384 (92.5%) | 35 (89.7%) | 147 (89.6%) | 202 (95.3%) |
Non-operative | 31 (7.5%) | 4 (10.3%) | 17 (10.4%) | 10 (4.7%) |
Operative pathology* | ||||
Mild (early/tip/mucosal infiltrate only) | 101 (26.3%) | 3 (8.6%) | 30 (20.4%) | 68 (33.7%) |
Moderate (full-thickness inflammation) | 168 (43.8%) | 9 (25.7%) | 67 (45.6%) | 92 (45.5%) |
Severe (gangrene/perforation/necrosis) | 96 (25.0%) | 18 (51.4%) | 43 (29.3%) | 35 (17.3%) |
Negative (no evidence of appendicitis) | 19 (4.9%) | 5 (14.3%) | 7 (4.8%) | 7 (3.5%) |
No appendicitis | 530 (56.1%) | 102 (72.3%) | 187 (53.3%) | 241 (53.2%) |
Hospitalised, serial examinations, discharged | 104 (19.6%) | 26 (25.5%) | 40 (21.4%) | 38 (15.8%) |
No appendicitis, discharge from ED, follow-up confirmed | 266 (50.2%) | 39 (38.2%) | 81 (43.3%) | 146 (60.6%) |
No appendicitis, discharged, no return visit but no specific follow-up | 141 (26.6%) | 32 (31.4%) | 59 (31.6%) | 50 (20.7%) |
*Includes patients with negative appendectomy.