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Table 4 Postoperative complications following LLP fixation of PDFFs in patients allowed WBAT compared with those with RWB

From: Immediate weight-bearing is safe following lateral locked plate fixation of periprosthetic distal femoral fractures

Variable WBAT (n = 28) RWB (n = 15) p value
Complications
 Early medical (<6 weeks) 17 [60.7] 9 [60.0] 0.850^
 Early surgical (<6 weeks) 5 [17.9] 0 0.076^
Mortality
 30 days 2 [7.1] 0 0.535^^
 90 days 2 [7.1] 2 [13.3] 0.602^^
 1 year 4 [14.2] 2 [13.3] 1.0^^
Failures
 Reoperations 6 [21.4] 2 [13.3] 0.692^^
 Non-union 2 [7.1] 2 [13.3] 1.0^^
 Fixation failure 2 [7.1] 0 0.535^^
Mobility
 Post-fracture FMS 0 3 [10.7] 1 [6.7] 0.623^
 1 - Full activity 8 [28.6] 3 [20.0]  
 2 - Walking with assistance for short periods only 5 [17.9] 4 [26.7]  
 3 - Walking with assistance for ADLs/appointments only 2 [7.1] 3 [20.0]  
 4 - Confined to wheelchair 2 [7.1] 0  
 5 - Bedridden 2 [7.1] 2 [20.0]  
 Functional mobility change −0.67 (1.3) −1.46 (1.3) 0.083*
Disposition
 Length of acute stay 13 10 0.265**
 Required period of rehabilitation 12 8 0.651^
Ultimate discharge destination    0.841^
 Own home 10 [35.7] 6 [40.0]  
 Care home 4 [14.3] 1 [6.7]  
 Community hospital 2 [7.1] 0  
 Died in hospital 1 [3.6] 1 [6.7]  
 Unknown after rehabilitation 10 [35.7] 6 [40.0]  
  1. Data presented as number [%]
  2. LLP lateral locking plate, PDFF periprosthetic distal femoral fracture, RWB restricted weight-bearing, WBAT weight-bearing as tolerated
  3. * Unpaired T-test
  4. ** Mann Whitney U test
  5. ^ Chi square
  6. ^^ Fisher's exact