Table 3 Predicted probabilities for successful visualization of parallel guidewire image based on representative values of body mass index and distance from the puncture site to the clavicle.

From: Availability of ultrasound imaging of a guidewire parallel to the vein during internal jugular central venous catheter placement

 

Predicted probability

95% CI

Body mass index (kg/m2)

20

93

81–98

30

42

17–73

40

4

0–48

Distance from the puncture site to the clavicle (mm)

40

59

37–78

50

96

82–99

60

100

94–100

  1. CI confidence interval.