Table 2 The characteristics of the participants and emergency residents
From: A feasibility study of a handmade ultrasound-guided phantom for paracentesis
Variables | Trainees (n = 50) | Emergency residents (n = 12) | p-Value |
|---|---|---|---|
Age | < 0.0001 | ||
≦25years | 42 (84%) | 0 | |
26–30 years | 8 (16%) | 12 (100%) | |
Sex | 0.578 | ||
Females | 10 (20%) | 2 (17%) | |
Males | 40 (80%) | 10 (83%) | |
Ultrasound experience | < 0.0001 | ||
≦10 cases | 47 (94%) | 0 | |
11–20 cases | 2 (4%) | 0 | |
≧ 20 cases | 1 (2%) | 12 (100%) | |
Ultrasound performance* | |||
Ultrasound-guided localization | 5 (3–5) | 5 (5) | 0.004 |
Visualization of needle | 5 (3–5) | 5 (5) | 0.011 |
Fluid aspiration | 5 (3–5) | 5 (5) | 0.012 |
Needle steadiness during aspiration of fluid | 5 (5) | 5 (5) | 0.223 |
Total score | 18 (15–20) | 20 (20) | 0.003 |
Global score | 5 (4–5) | 5 (5) | 0.009 |
Acceptable performance (rating ≧ 3) | 50 (100%) | 12 (100%) | 1.000 |