Variables | β | OR(95% CI) | P-value |
---|---|---|---|
Puncture method | Â | Â | 0.152 |
Ultrasound-assisted | 0.683 | 1.979 (0.778, 5.034) | Â |
Conventional puncture | Reference | Reference | Â |
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) | Â |
III | Reference | Reference | Â |
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 |