(a) Ultrasound examination on healthy skin (n = 85) | Correct answer | n answered | n correct | % |
Probe disinfection before examination | YES | 85 | 32 | 38 |
Wearing gloves during examination | NO | 85 | 32 | 38 |
Keyboard disinfection after examination | YES | 85 | 16 | 19 |
Compliance rate part (a): 60.4% 95% CI [56.4–64.7] | ||||
(b) Ultrasound examination on injured skin (n = 85) | Correct answer | n answered | n correct | % |
Use of a protective sterile sheath | YES | 84 | 35 | 39 |
Use of a disposable non-sterile protection | YES | 82 | 44 | 53 |
Compliance rate part (b): 70.9% 95% CI [66.3–76.1] | ||||
(c) Ultrasound-guided invasive procedure (n = 51: Optional part) | Correct answer | n answered | n correct | % |
Probe disinfection before procedure | YES | 51 | 30 | 59% |
Hand hygiene gesture executed before procedure | Hand friction with hydroalcoholic solution | 51 | 12 | 23% |
Other propositions: simple handwash with soap 6% (n = 3); Surgical scrub 71% (n = 36) | ||||
Type of gel container used | Sterile monodose | 50 | 42 | 84% |
Other propositions: Non sterile monodose 1% (n = 1); Non sterile gel bottle 14% (n = 7) | ||||
Use of a protective sterile sheath | YES | 51 | 47 | 92% |
Keyboard disinfection after procedure | YES | 51 | 9 | 18% |
Compliance rate part (c): 69.4% 95% CI [65.1–73.6] | ||||
Overall compliance rate (parts (a) (b) (c)): 66.1% 95% CI [62.8–69.1] |