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Table 5 Comparison of image acquisition times between participants with and without previous ultrasound experience (P-US-E) at the end of the second workshop expressed in seconds and presented in median and interquartile ranges [25%; 75%]

From: Detecting cervical esophagus with ultrasound on healthy voluntaries: learning curve

Try number

P-US-E (n = 21)

No P-US-E (n = 8)

1

11 [6.3;22.1]

28.2 [13.3;54.6]

2

6.94 [5.1;12]

16.6 [11.1;30.1]

3

5.3 [3.7;7.1]

11 [6.23;16.3]

4

4.2 [3.45;6.2]

7.75 [5.42;12.8]

5

4.1 [3.5;6.25]

9.75 [7.98;11.7]

6

4.2 [2.96;6.6]

6.65 [4.97;10.0]

7

3.9 [3.1;6.37]

5.1 [4.16;9.35]

8

4.3 [3.33;6.9]

6.1 [4.85;10.1]

9

3.5 [2.6;5]

5.5 [4.36;6.4]

10

3.9 [2.66;6.1]

5.86 [5.25;7.85]

  1. The difference was not statistically significant (p = 0.2)