Table 2 Patient characteristics
Characteristics | All patients (n = 201) | Uncomplicated appendicitis (n = 106) | Complicated appendicitis (n = 95) | p value |
|---|---|---|---|---|
Gender | ||||
Male | 68 (33.8) | 34 (32.1) | 34 (35.8) | 0.578 |
Female | 133 (66.2) | 72 (67.9) | 61 (64.2) | |
Age (years), mean ± SD | 53.6 ± 19.9 | 49.3 ± 19.4 | 58.5 ± 19.6 | 0.001 |
BMI, mean ± SD | 23.5 ± 4.86 | 23.7 ± 4.4 | 23.3 ± 3.4 | 0.556 |
< 18.5 | 19 (9.5) | 11 (10.4) | 8 (8.4) | 0.412 |
18.5–24.9 | 119 (59.2) | 57 (53.8) | 62 (65.3) | |
> 25 | 63 (31.3) | 38 (35.8) | 25 (26.3) | |
Symptoms and signs | ||||
RLQ tenderness | 196 (97.5) | 104 (98.1) | 92 (96.8) | 0.669 |
Temperature (°C) | 37.4 ± 0.8 | 37.3 ± 0.7 | 37.6 ± 0.9 | 0.002 |
Rebound tenderness | 92 (45.8) | 44 (41.5) | 48 (50.5) | 0.200 |
Migration of pain | 85 (42.3) | 53 (50.0) | 32 (33.7) | 0.019 |
Anorexia | 99 (49.3) | 45 (42.5) | 54 (56.8) | 0.042 |
Nausea or vomiting | 117 (58.2) | 57 (53.8) | 60 (63.2) | 0.178 |
Laboratory results | ||||
WBC count (cells/mm3) | 13,549 (3870–26,500) | 12,810 (4680–24,670) | 13,340 (3870–26,560) | 0.470 |
Neutrophilia (%) | 80.7 (28.6–95.7) | 80.7 (38.0–95.7) | 84.8 (28.6–95.2) | 0.003 |
Alvarado score | ||||
0–4 | 17 (8.5) | 9 (8.5) | 8 (8.4) | 0.071 |
5–8 | 162 (80.6) | 91 (85.8) | 71 (74.7) | |
9–10 | 22 (10.9) | 6 (5.7) | 16 (16.8) | |
Duration of symptom (h), median (min, max) | 24 (2–480) | 16 (2–72) | 48 (4–480) | < 0.001 |
Time from CT to surgery (h), median (min, max) | 3 h 48 m (20 m–30 h) | 3 h 48 m (24 m–30 h) | 3 h 24 m (20 m–30 h) | 0.651 |
< 6 h | 157 (78.1) | 79 (74.5) | 78 (82.1) | 0.574 |