Table 1. Characteristics of the survey responders and institutions.
| Characteristics | Responders, No (%) | ||
|---|---|---|---|
| Physicians | |||
| Position (n = 428) | |||
| Resident/general physician/specialist | 185 (43)/1 (1)/242 (57) | ||
| Career of specialist, yr (n = 242) | |||
| 1–5/6–10/11–20/over 21 | 78 (32)/58 (24)/90 (37)/16 (7) | ||
| Frequency of POCUS use (n = 423) | |||
| Every day/at least once a week | 215 (51)/162 (38) | ||
| At least once a month/less than once a month | 39 (9)/7 (2) | ||
| Self-evaluated POCUS quality (n = 392) | |||
| High/moderate/low abilitya | 163 (42)/220 (56)/9 (2) | ||
| Emergency centers | |||
| Type (n = 440) | |||
| Regional/local | 192 (44)/242 (56) | ||
| Location (n = 435) | |||
| Seoul and near metropolitan areas/others | 242 (56)/193 (44) | ||
| No. of physicians (n = 430) | |||
| 0–10/11–20/21–30/over 31 | 77 (18)/230 (53)/66 (15)/57 (13) | ||
| No. of ultrasound machines (n = 426) | |||
| 1/2/3/over 4 | 127 (30)/152 (36)/74 (17)/73 (17) | ||
| Presence of POCUS training faculty (n = 389) | |||
| Yes/no | 128 (33)/261 (67) | ||
| Ultrasound exam by radiologist or cardiologist (n = 381) | |||
| Always available/daytime on weekday/unavailable | 53 (14)/318 (83)/10 (3) | ||
POCUS = point-of-care ultrasound.
aHigh: 80–100% skilled/moderate: 40–60% skilled/low: 0–20% skilled.