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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