Table 3.

Clinical assistant confidence levels

Number of responses analysedaMedian before time as CA (range)Median after time as CA (range)Wilcoxon signed-rank testEffect size
Clinical skill
 Venepuncture473 (1–5)5 (3–5)Z=5.35; p<0.001r=0.781
 Blood cultures423 (1–5)5 (1–5)Z=4.99; p<0.001r=0.770
 ABGs422 (1–5)4 (1–5)Z=5.16; p<0.001r=0.800
 VBGs433 (1–5)5 (1–5)Z=5.08; p<0.001r=0.775
 Cannulas432 (1–5)4 (1–5)Z=4.76; p<0.001r=0.726
 Catheters362 (1–5)3.5 (1–5)Z=4.08; p<0.001r=0.681
Administrative task
 Prepping notes472 (1–5)5 (2–5)Z=5.65; p<0.001r=0.824
 Documenting in notes473 (1–5)5 (2–5)Z=5.72; p<0.001r=0.834
 Requesting scans451 (1–5)5 (1–5)Z=5.43; p<0.001r=0.809
 Vetting scans451 (1–5)3 (1–5)Z=4.83; p<0.001r=0.719
 Writing EDNs461 (1–5)4 (1–5)Z=5.28; p<0.001r=0.778
 Assessing an unwell patient472 (1–5)4 (1–5)Z=4.09; p<0.001r=0.596
 Clerking: history and examination443 (1–5)4 (1–5)Z=3.91; p<0.001r=0.589
 Clerking: diagnosis and management443 (1–5)4 (1–5)Z=4.27; p<0.001r=0.644
  • aClinical assistants who had not been taught the skill, and therefore selected ‘N/A’, were excluded from the analysis. ABG = arterial blood gas; CA = clinical assistant; EDNs = electronic discharge notes; VBG = venous blood gas.