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ultrasound-assisted group
|
conventional puncture group
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P-value
|
|---|
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The overall proportion of success rate(n), %
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65(90.3%)
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56(77.8%)
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0.080
|
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Rate difference, %(95% CI)
|
12.5(0.7, 24.3)
|
–
| |
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The overall time to cannulation(s)
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45.5(36, 96.25)
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94.0(56, 171)
|
0.00
|
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The time to cannulation at the first attempt(s)
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41.0(35, 53.75)
|
60(45, 83)
|
0.00
|
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Overall puncture numbers
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1(1, 2)
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2(1, 3)
|
0.002
|
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Overall numbers of needle redirections
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3(1, 7)
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7(3, 13)
|
0.001
|
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Needle redirections at the first attempt
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2(1, 5)
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3(2, 6)
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0.027
|
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The width of saphenous veins (mm)
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1.485 + 0.318
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1.543 + 0.396
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0.375
|
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The depth of saphenous veins (mm)
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3.622 + 1.408
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3.605 + 1.421
|
0.949
|
|
Complication (n), %
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3(4.27%)
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2(2.78%)
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0.999
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