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Table 2 Size of IJV in relation to CCA

From: Point-of-care ultrasound evaluation and puncture simulation of the internal jugular vein by medical students

 

Right side

n = 100

Left side

n = 100

Total

n = 200

n

%

CI

n

%

CI

n

%

CI

Collapsed

20

20

(12.1–27.8)

18

18

(10.4–25.5)

38

19

(31.2–44.7)

< 50%

7

7

(1.9–12.0)

10

10

(4.1–15.8)

17

8.5

(11.7–22.2)

50–100%

28

28

(19.1–36.8)

27

27

(18.2–35.7)

55

27.5

(48.1–61.8)

101–150%

11

11

(4.8–17.1)

5

5

(0.7–9.2)

16

8

(10.9–21.0)

151–200%

12

12

(5.6–18.3)

10

10

(4.1–15.8)

22

11

(16.2–27.7)

> 200%

22

22

(13.8–30.1)

30

30

(21.0–38.9)

52

26

(45.0–58.9)

Total

100

100

 

100

100

 

200

100

 
  1. IJV internal jugular vein, CCA common carotid artery, CI confidence interval