From: Reduction of leakage from insertion site during continuous femoral nerve block with catheter-through-needle versus catheter-over-needle technique for postoperative analgesia after total knee arthroplasty: a randomized controlled trial
Characteristic
CTN group
CON group
P value
Number of patients
30
Age, yr
71 ± 6
71 ± 9
0.60
Male / Female, n
5 / 25
7 / 23
0.75
BMI
27.1 ± 4.4
26.5 ± 4.1
0.66
GA / SA, n
2 / 28
1 / 29
0.55