|
Table 3: Comparison of surgical and implant related complications. |
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|
|
PFN group |
PFNA2 group |
p |
|
Surgery related complications |
|
|
|
|
Local site infection (n) |
6 |
5 |
− |
|
Deep vein thrombosis (DVT) |
2 |
3 |
− |
|
Limb length discrepancy on the 2nd postoperative day (± 1 cm) |
19 |
6 |
< 0.05 |
|
Pulmonary embolism |
2 |
1 |
− |
|
Urinary tract infection |
4 |
6 |
− |
|
Mortality |
3 |
2 |
− |
|
Total complications |
35 |
24 |
− |
|
Implant related complications |
|||
|
Screw back out / Z effect |
19 |
2 |
< 0.05 |
|
Locking mechanism failure |
− |
5 |
− |
|
Guide wire breakage |
7 |
0 |
< 0.05 |
|
Implant breakage |
3 |
1 |
− |
|
Medial migration |
1 |
3 |
− |
|
Lateral protrusion of screw |
1 |
4 |
< 0.05 |
|
Proximal protrusion |
8 |
1 |
< 0.05 |
|
Distal anterior cortex break |
3 |
2 |
− |
|
Total complications |
42 |
18 |
< 0.05 |
|
PFN = Proximal femur nail. PFNA2 = Proximal femur nail antirotation-2. |
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