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Table 1 Baseline characteristics, procedural experience, and stated experienced frequency of lacking procedural preceptors of postgraduate year (PGY)-1 participants in the 2016 and 2019 cohorts, with data presented as number (percentage %)

From: First year internal medicine residents’ self-report point-of-care ultrasound knowledge and skills: what (Little) difference three years make

Variable

2016 PGY-1 cohort

2019 PGY-1 cohort

p-value

Total participants

N = 47

 N = 58

0.62

Gender

  Male

24 (51 %)

32 (55 %)

0.84

  Female

23 (49 %)

26 (45 %)

 

Number of ultrasound-guided paracentesis performed

  None

5 (11 %)

16 (28 %)

0.02*

  1–2

19 (40 %)

29 (50 %)

 

  2–5

16 (34 %)

9 (16 %)

 

  6–9

6 (13 %)

2 (3 %)

 

  10 or more

1 (2 %)

1 (2 %)

 

Number of ultrasound-guided thoracentesis performed

  None

21 (45 %)

39 (67 %)

0.04*

  1–2

19 (40 %)

15 (26 %)

 

  2–5

5 (11 %)

2 (3 %)

 

  6–9

0

0

 

  10 or more

1 (2 %)

0

 

Number of ultrasound-guided central line insertions

  None

26 (55 %)

37 (64 %)

0.04*

  1–2

10 (21 %)

18 (31 %)

 

  2–5

6 (13 %)

2 (3 %)

 

  6–9

3 (6 %)

0

 

  10 or more

1 (2 %)

0

 

Number of ultrasound-guided peripheral IV insertions

  None

37 (79 %)

46 (79 %)

0.85

  1–2

3 (6 %)

6 (10 %)

 

  2–5

3 (6 %)

2 (3 %)

 

  6–9

0

0

 

  10 or more

2 (4 %)

2 (3 %)

 

When has a lack of teacher/supervisor affected your ability to perform a procedure?

  Never

2 (4 %)

2 (3 %)

0.88

   A few times

4 (9 %)

8 (14 %)

 

  Many times

25 (53 %)

29 (50 %)

 

  Most of the time

12 (26 %)

16 (28 %)