Table 1.

Patient Data

Variable	Numbers or Median (range)
Male/female	25/15
Age (years)	Mean, 70 (range, 36–87)
Body mass index (kg/m2)	Mean, 27 (range, 20–33)
Number of previous revisions (0/1/2/3)	31/7/0/1
Previously infected THA (no/yes)	36/4
Bone defect [14] (Grade I/II/III/IV)
According to radiographs	1/27/11/1
According to surgeon after stem removal	1/22/16/1
Allograft volume* (mL)	53 (range, 5–140)
Stem size (14/15/16/17/18)	14/8/7/6/5
Heterotopic bone formation (I/II/III/IV) [6]	23/3/6/0
Harris hip score
Total scores
Preoperatively	57 (range, 17–100)
2 years	89 ( range, 47–100)
Difference 0–2 years	30 (range, −5–73)
Pain
Preoperatively	20 (range, 0–44)
2 years	44 (range, 20–44)
Difference 0–2 years	20 (range, −14–44)
Visual analog scale
Pain at rest
Preoperatively	20 (range,0–80)
2 years	0 (range,0–70)
Difference 0–2 years	−20 (range,−80–40)
Pain during activity
Preoperatively	50 (range, 0–100)
2 years	3 (range, 0–80)
Difference 0–2 years	−50 (range, −90–60)

*Measured intraoperatively.