Table 1.
Distribution of Demographic Parameters and Types of Surgery in the Two Groups
| Demographic parameters | Group UT (n = 23) | Group LT (n = 22) | P value |
|---|---|---|---|
| Age (mo) | 28.2 ± 15.9 | 36.2 ± 20.2 | 0.256 |
| Sex | 0.302 | ||
| Male | 15 (65.2) | 11 (50.0) | |
| Female | 8 (34.8) | 11 (50.0) | |
| Weight (kg) | 10.7 ± 2.8 | 11.8 ± 3.5 | 0.301 |
| Type of surgery | |||
| Thoracic | 2 (8.6) | 0 | |
| Upper abdominal | 5 (21.7) | 7 (31.8) | |
| Lower abdominal and pelvic | 16 (69.5) | 15 (68.1) | |
| Level of epidural | |||
| Thoracic | 7 (30.4) | 7 (31.8) | |
| Lumbar | 16 (69.5) | 15 (68.1) |
Values are presented as mean ± SD or number (%). Group LT: landmark technique group, Group UT: real-time US group.