Table 1.
Risk factors.
| Femoral Nerve Injury | Femoral Nerve Intact | |
|---|---|---|
| Femoral artery catheter | Yes: 5 No: 10 |
Yes: 75 No: 886 |
| Peridrual catheter | Yes: 8 No: 7 |
Yes: 329 No: 632 |
| Duration of surgery in minutes | Median 413 (105–624) | Median 243 (15–770) |
| Lymphnode dissection | Yes:11 No: 4 |
Yes: 535 No: 426 |
| Positioning | Candy canes: 6 Boot stirrups: 9 |
Candy canes: 725 Boot stirrups: 236 |
| Age | Median 65 (42–75) | Median 59 (14–88) |
| Arterial hypertension | Yes: 5 No: 10 |
Yes: 353 No: 608 |
| Smoking | Yes: 4 No:11 |
Yes: 89 No:872 |
| Polyneuropathy | Yes:2 No: 13 |
Yes: 13 No: 948 |
| Chemotherapy before surgery | Yes: 10 No: 5 |
Yes: 234 No: 727 |
| Coronary heart disease | Yes: 0 No: 15 |
Yes: 45 No: 916 |
| Diabetes mellitus | Yes: 0 No:15 |
Yes: 112 No: 849 |
| BMI <185 18.5–24.9 25–29.9 30–34.9 35–39.9 >40 n/a |
0 8 4 3 0 0 0 |
20 404 244 139 37 56 61 |
n/a: not available.