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Table 2 Perceived applicability, self-reported skill level, and skill gaps of diagnostic applications and procedures between 2016 and 2019 cohorts, with adjusted p-values. Data presented as mean score out of five and (standard deviation)

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

Diagnostic Application

2016 Applicability

2019 Applicability

Adjusted p-value

2016 Self-reported skills

2019 Self-reported skills

Adjusted p-value

2016 skill gap (SD)

2019 skill gap (SD)

Adjusted p-value

Internal jugular vein

4.4 (0.7)

4.6 (0.8)

1.00

3.0 (1.2)

2.5 (1.0)

1.00

1.4 (1.1)

2.1 (1.4)

0.99

Splenomegaly

4.4 (0.8)

4.4 (0.7)

1.00

2.2 (1.0)

1.8 (0.7)

1.00

1.4 (1.1)

2.1 (1.4)

0.96

Abdominal free fluid

4.8 (0.5)

5.0 (0.1)

1.00

3.3 (1.1)

2.9 (1.1)

1.00

1.6 (1.2)

2.1 (1.2)

1.00

Skin and soft tissue

4.5 (0.7)

4.3 (0.7)

1.00

2.2 (1.0)

1.7 (0.7)

1.00

2.3 (1.2)

2.6 (0.9)

1.00

Pneumothorax

4.6 (0.7)

4.4 (0.8)

1.00

2.1 (0.8)

2.1 (0.9)

1.00

2.5 (1.0)

2.3 (1.1)

1.00

B Lines

3.9 (1.0)

4.6 (0.7)

0.03*

1.5 (0.7)

2.3 (1.0)

0.01*

2.4 (1.1)

2.2 (1.1)

1.00

Internal vena cava

4.3 (0.9)

4.6 (0.6)

1.00

2.0 (0.9)

2.2 (0.9)

1.00

2.3 (1.0)

2.4 (1.0)

1.00

Pleural effusion

4.8 (0.5)

4.8 (0.4)

1.00

2.7 (1.1)

2.6 (0.9)

1.00

2.2 (1.4)

2.3 (0.9)

1.00

Lung consolidation

4.4 (1.0)

4.5 (0.9)

1.00

2.0 (0.9)

1.9 (0.8)

1.00

2.5 (1.4)

2.6 (1.1)

1.00

Hepatomegaly

4.5 (0.7)

4.3 (0.8)

1.00

2.2 (1.0)

1.8 (0.8)

1.00

2.4 (1.1)

2.5 (1.0)

1.00

Left ventricular systolic function

4.9 (0.4)

4.9 (0.4)

1.00

2.0 (0.9)

1.9 (0.9)

1.00

2.9 (1.0)

3.0 (0.9)

1.00

Pericardial effusion

4.8 (0.5)

4.8 (0.4)

1.00

2.1 (0.9)

2.2 (1.0)

1.00

2.8 (0.9)

2.7 (1.0)

1.00

Deep vein thrombosis

4.8 (0.5)

4.5 (0.7)

1.00

1.7 (0.8)

1.5 (0.7)

1.00

3.1 (0.9)

3.1 (0.9)

1.00

Hydronephrosis

4.5 (0.6)

4.5 (0.7)

1.00

1.9 (0.9)

1.8 (0.8)

1.00

2.7 (1.0)

2.7 (0.9)

1.00

Right ventricular strain

4.7 (0.5)

4.8 (0.5)

1.00

1.8 (0.8)

1.8 (0.8)

1.00

3.0 (0.9)

3.0 (0.9)

1.00

Procedure

  Paracentesis

4.9 (0.4)

5.0 (0.2)

1.00

3.4 (1.1)

2.8 (1.1)

1.00

1.6 (1.0)

2.2 (1.1)

1.00

  Lumbar puncture

3.9 (1.0)

4.2 (0.9)

1.00

1.9 (1.0)

1.6 (0.7)

1.00

2.1 (1.3)

2.7 (0.9)

1.00

  Central venous catheterization

4.9 (0.4)

4.8 (0.4)

1.00

2.6 (1.2)

2.1 (1.0)

1.00

2.4 (1.1)

2.7 (1.0)

1.00

  Peripheral intravenous insertion

3.6 (1.1)

3.9 (0.9)

1.00

2.1 (1.0)

2.0 (0.7)

1.00

1.5 (1.5)

2.0 (1.1)

1.00

  Joint aspiration

4.3 (0.8)

4.4 (0.7)

1.00

2.1 (0.9)

1.9 (0.8)

1.00

2.2 (1.3)

2.5 (1.0)

1.00

  Arterial line insertion

4.5 (0.7)

4.6 (0.5)

1.00

2.1 (1.1)

2.0 (0.9)

1.00

2.4 (1.3)

2.6 (1.0)

1.00

  Thoracentesis

4.9 (0.4)

5.0 (0.1)

1.00

2.3 (1.0)

2.2 (0.9)

1.00

2.6 (0.9)

2.8 (0.9)

1.00

  Peripherally inserted central catheter

3.6 (1.3)

3.6 (1.1)

1.00

1.6 (0.9)

1.4 (0.5)

1.00

2.0 (1.3)

2.2 (1.1)

1.00

  Incision and drainage

4.0 (0.8)

4.0 (0.9)

1.00

2.0 (0.9)

1.7 (0.7)

1.00

2.0 (1.1)

2.3 (1.1)

1.00