Table 1.
Baseline characteristics of the treatment groups
| Noninvasive N = 13 |
Invasive N = 12 |
|
|---|---|---|
| Male gender | 4 (31) | 5 (42) |
| Age (years)a | 9 (4–14) | 10 (3–14) |
| Temperature (degrees Celsius)a | 38.8 (38.4–39.5) | 39.1 (38.5–40.0) |
| Type appendicitis (simple) | 2 (15) | 0 |
| Time after appendectomy (days)a | 8 (4–29) | 8.5 (5–17) |
| CRP (mg/L)a | 160 (35–345) | 145 (62–400) |
| Initial surgical approach | ||
| Open appendectomy | 6 (46) | 7 (58) |
| Laparoscopic appendectomy | 7 (54) | 5 (42) |
| Abscess size | ||
| Unknown | 1 (8) | 0 |
| Small (<3 cm) | 2 (15) | 0 |
| Medium (3–6 cm) | 2 (15) | 3 (25) |
| Large (>6 cm) | 4 (31) | 3 (25) |
| Multiple | 4 (31) | 6 (50) |
| Abscess location | ||
| Right lower quadrant | 7 (54) | 4 (33) |
| Douglas space | 2 (15) | 1 (8) |
| Right upper quadrant | 0 | 1 (8) |
| Multiple | 4 (31) | 6 (50) |
Results are displayed as number of patients (%) unless stated otherwise
aResults are displayed as median (minimum–maximum)