Table 1.
Subject Demographics
| Characteristic | n | % |
|---|---|---|
| Age, years | ||
| 30–44 | 3 | 30 |
| 45–59 | 6 | 60 |
| ≥60 | 1 | 10 |
| Median years since residency (IQR) | 19 (9–24) | |
| Gender | ||
| Male | 8 | 80 |
| Female | 2 | 20 |
| Handedness | ||
| Right | 8 | 80 |
| Left | 1 | 10 |
| Both | 1 | 10 |
| Pediatric subspecialty | 3 | 30 |
| Attended prior ultrasound course | 2 | 20 |
| % of clinical practice managing nephrolithiasis | ||
| None | 1 | 10 |
| <5% | 0 | 0 |
| 5%–25% | 1 | 10 |
| 26%–50% | 1 | 10 |
| >50% | 7 | 70 |
| Ultrasound use in clinical practice,a mean | ||
| Interpret/read any ultrasound | 4.3 | |
| Interpret/read renal ultrasounds | 4.2 | |
| Perform/obtain any ultrasound | 2.7 | |
| Perform/obtain renal ultrasounds | 1.5 | |
a
Graded as 1=I do not perform/obtain ultrasounds in my practice, 2=less than once per 6 months, 3=less than once per month, 4=at least once per month, 5=at least once a week.