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Table 1 Comparison of study characteristics between in-person and virtual groups

From: Comparison of in-person versus virtual ultrasound instruction for pediatric residents

Variable

Level

In-Person

(N = 24)

Virtual

(N = 26)

P-value

Year of Training

PGY-1

13 (54.2%)

7 (27%)

0.064

 

PGY-2

6 (25.0%)

9 (34.6%)

 
 

PGY-3

5 (20.8%)

10 (38.5%)

 

Prior ultrasound experience

I have never used ultrasound

1 (4.2%)

2 (7.7%)

0.846

 

I have used it only once

4 (16.7%)

3 (11.5%)

 
 

I have used it a few times

15 (62.5%)

18 (69.2%)

 
 

I have used it several times

4 (16.7%)

3 (11.5%)

 
 

I have used it on a regular basis

--

--

 

Prior FAST/eFAST exams

0

12 (50.0%)

12 (46.2%)

0.877

 

1–10

4 (16.7%)

7 (26.9%)

 
 

10–25

7 (29.2%)

7 (26.9%)

 
 

25–50

1 (4.2%)

0 (0)

 
 

> 50

--

--

 

Training duration (minutes)

 

18.5 (4.4) a

19.0 (7.2) a

0.786

Time between training and assessment (hours)

 

52.5 (34.0, 74.0) b

47.0 (28.0,81.0) b

0.475

  1. *All continuous summaries are presented: a = mean (SD), b = median (25th -75th percentiles). Categorical summaries are presented as count and percentages. The parametric p-values are calculated by two-sample t-test and non-parametric p-values are calculated by Wilcoxon sum-rank test