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Table 6 Results of the multivariate logistic regression model to examine factors associated with the success rate of the first attempt (N = 144)

From: A randomized controlled trial of ultrasound-assisted technique versus conventional puncture method for saphenous venous cannulations in children with congenital heart disease

Variables

β

OR(95% CI)

P-value

Puncture method

  

0.152

Ultrasound-assisted

0.683

1.979 (0.778, 5.034)

 

Conventional puncture

Reference

Reference

 

Age

0.132

1.141(1.010, 1.290)

0.034

Venous grading

0.582

I-II

0.346

1.414 (0.412, 4.853)

 

III

Reference

Reference

 

Needle redirections at the first attempt

−0.359

0.698 (0.528, 0.923)

0.012

The time to cannulation at the first attempt

−0.013

0.987 (0.962, 1.012)

0.301

The width of the saphenous veins

0.167

1.181 (1.023, 1.364)

0.023

Constant

−1.913

0.148

0.130