Skip to main content

Table 1 Summary of Survey Responses

From: Effectiveness of an Ultrasound Training Module for Internal Medicine Residents

          Least Favorable  
   PRE    POST   Difference   Paired Difference  
Survey Question n Mean SD n Mean SD Mean SD Mean SD P-value***
How confident* do you feel in your understanding of the principles behind the use of ultrasound technology to perform invasive procedures in internal medicine? 75 2.63 0.97 55 4.00 0.47 1.37 0.80 1.00 1.15 <.0001
How comfortable** do you feel identifying the following on ultrasound?            
Lung 75 2.52 1.04 61 4.00 0.61 1.48 0.88 1.13 1.34 <.0001
pleural effusion 75 2.61 1.03 61 4.16 0.55 1.55 0.85 1.25 1.31 <.0001
Bowel 75 2.45 1.08 61 3.64 0.78 1.19 0.96 0.85 1.62 0.0001
peritoneal cavity 75 2.51 1.13 61 3.61 0.84 1.10 1.01 0.75 1.74 0.0012
Ascites 74 2.81 1.13 61 3.82 0.79 1.01 0.99 0.67 1.62 0.0019
Thyroid 75 2.08 1.06 61 3.95 0.92 1.87 1.00 1.62 1.89 <.0001
internal jugular vein 75 2.83 1.10 61 4.48 0.62 1.65 0.91 1.34 1.53 <.0001
  1. *Level of confidence rated on a 5 point Likert scale (1 = extremely unconfident, 3 = neutral, 5 = extremely confident)
  2. **Level of comfort rated on a 5 point Likert scale (1 = extremely uncomfortable, 3 = neutral, 5 = extremely comfortable)
  3. ***conservative upper bound on traditional paired t-test