Table 1.
Demographics of the surveyed teaching hospitals
| Variable | No. (%) |
|---|---|
| Level of emergency department | |
| Level 1 | 20 (24.7) |
| Level 2 | 61 (75.3) |
| Level 3 | 0 (0) |
| No. of patients who visited the emergency department annually | |
| < 20,000 | 6 (7.4) |
| 20,000-29,999 | 18 (22.2) |
| 30,000-39,999 | 21 (25.9) |
| 40,000-49,999 | 20 (24.7) |
| ≥ 50,000 | 16 (19.8) |
| No. of residents in each hospital | |
| ≤1 | 9 (11.1) |
| 2 | 10 (12.3) |
| 3 | 4 (4.9) |
| 4 | 10 (12.3) |
| 5 | 5 (6.2) |
| 6 | 9 (11.1) |
| 7 | 7 (8.6) |
| 8 | 10 (12.3) |
| ≥9 | 17 (21.0) |
| No. of faculty members | |
| ≤2 | 0 (0.0) |
| 3 | 20 (24.7) |
| 4 | 23 (28.4) |
| 5 | 15 (18.5) |
| 6 | 15 (18.5) |
| ≥7 | 8 (9.9) |
| Presence of ultrasound machine | |
| Yes | 81 (100) |
| No | 0 (0) |
| Manufacturer of machine (n = 92)a) | |
| General Electric | 46 (56.8) |
| Philips | 14 (17.3) |
| SonoSite | 8 (9.9) |
| ZONARE | 6 (7.4) |
| Medison | 6 (7.4) |
| Siemens | 5 (6.2) |
| Others: HP (2), Aloka (2), Toshiba (1), Titan (1), Esaote (1) | 7 (8.6) |
a)
Eleven participating emergency departments reported that they have two ultrasound machines.