Skip to main content

Table 1 Patient and fracture characteristics

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

Age (years)

83.1 (11.6)

76.8 (11.1)

0.092*

BMI

26.5 (5.6)

27.6 (6.1)

0.591*

BMI ≥30

8 [28.6]

5 [33.3]

0.564^

Female gender

24 [85.7]

13 [86.7]

0.932^

Osteoporosis

9 [32.1]

2 [13.3]

0.273^^

Bisphosphonates

4 [14.2]

1 [6.7]

0.639^^

Pre-fracture functional mobility scale

 0 - Full activity

9 [32.1]

6 [40.0]

0.771^

 1 - Walking with assistance 

8 [28.6]

5 [33.3]

 

 2 - Walking with assistance for short periods only

4 [14.3]

3 [20.0]

 

 3 - Walking with assistance for ADLs/appointments only 

2 [7.1]

0

 

 4 - Confined to a wheelchair

1 [3.6]

0

 

 5 - Bedridden

1 [3.6]

0

 

Fracture features

 Su classification

  

0.891

  I

6 [21.4]

4 [26.7]

 

  II

17 [60.7]

8 [53.3]

 

  III

5 [17.9]

3 [20.0]

 

Medial comminution

4 [14.3]

5 [33.3]

0.238^^

Interprosthetic

2 [7.1]

5 [33.3]

0.040^

Time since TKA (years)

10.4 (5.7)

7.6 (4.5)

0.124*

Surgical parameters

 Time to surgery (days)

3

2

0.238**

 Anatomic reduction

19 [67.9]

9 [60.0]

0.606^

 Golf-club deformity

3 [10.7]

2 [13.3]

1.00^^

 Cables

8 [28.6]

7 [46.7]

0.235^

 Dual plating

3 [10.7]

2 [13.3]

1.00^^

 Open approach

13 [46.4]

9 [60.0]

0.755^

  1. Data presented as mean (SD) or number [%]
  2. BMI body mass index, RWB restricted weight-bearing, TKA total knee arthroplasty, WBAT weight-bearing as tolerated
  3. * Unpaired T-test
  4. ** Mann Whitney U test
  5. ^ Chi square
  6. ^^ Fisher's exact