Table 1 Baseline characteristics of 26 participants^a

 1 and 2

5 (56)

8 (62)

1.00

 3 to 5

4 (44)

5 (38)

–

 Males

9 (82)

9 (60)

0.39

 Females

2 (18)

6 (40)

–

 0 or 1

7 (64)

7 (47)

0.39

 2 or more months

4 (36)

8 (53)

–

Median no. of central venous catheterization performed (interquartile range)

3 (1–12)

3 (1–25)

0.51

Mean self-rated ability to perform procedure (± standard deviation)^c

2.5 ± 1.2

2.9 ± 1.4

0.48