Table 2 Baseline characteristics of the patients enrolled in the study
Appendicitis n = 323 (64.6%) | No appendicitis n = 177 (34.4%) | p | |
|---|---|---|---|
Sex (male: female) | 181: 142 | 74: 103 | 0.002 |
Age (y); mean (SD) | 28 (13) | 26 (12) | 0.17 |
Pain duration n (%) | 0.12 | ||
< 6 h | 24 (7,4) | 21 (11,8) | |
6–12 h | 72 (22,2) | 43 (24,2) | |
12–24 h | 138 (42,7) | 68 (38,4) | |
24–48 h | 69 (21,3) | 37 (20,9) | |
> 48 h | 20 (6,2) | 8 (4,5) | |
Associated symptoms, n (%) | |||
Nausea and vomiting | 145 (44,8) | 69 (38,9) | 0.20 |
Anorexia | 29 (8,9) | 15 (8,4) | 0.84 |
Temperature at presentation, n (%) | 0.016 | ||
Afebrile | 12 (3,7) | 13 (7,3) | |
37–37.9 | 187 (57,8) | 118 (66,6) | |
38–38.9 | 112 (34,6) | 38 (21,4) | |
> 39 °C | 12 (3,7) | 8 (4,5) | |
Physical examination, n (%) | |||
RLQ tenderness | 268 (82,9) | 132 (74,5) | 0.025 |
Rebound tenderness | 227 (70,2) | 91 (51,4) | 0.036 |
RLQ defense | 74 (22,9) | 21 (11,8) | 0.003 |
Modified Alvarado score, n (%) | < 0.001 | ||
≤ 4 | 142 (44) | 115 (65) | 0.014 |
s> 4 | 181 (56) | 62 (35) | |