Attribute | Mean (SD) or number (%) N=51 |
---|---|
Age | 31.2 (3.92) |
Gender (female) | 19 (37.3%) |
US medical school graduate | 14 (27.5%) |
USMLE Step 1 score | 214.5 (16.02) |
USMLE Step 2 score | 218.0 (18.04) |
Internal medicine residents | 38 (74.5%) |
Emergency medicine residents | 13 (25.5%) |
Postgraduate year | |
1 | 14 (27.5%) |
2 | 24 (47.1%) |
3 | 13 (25.5%) |
Experience (number of procedures performed personally) | |
Internal jugular (n=50)* | |
0 | 10 (20.0%) |
1–2 | 5 (10.0%) |
3–6 | 11 (22.0%) |
7–15 | 16 (32.0%) |
>15 | 8 (16.0%) |
Subclavian (n=48)† | |
0 | 35 (72.9%) |
1–2 | 7 (14.6%) |
3–7 | 4 (8.3%) |
8–15 | 2 (4.2%) |
>15 | 0 |
*Mean internal jugular experience 9.8 (SD=11.36).
†Mean subclavian experience 1.1 (SD=2.73).
USMLE, United States Medical Licensing Examination.