Table 6.
Subgroup analysis
| Femoral defects by Paprosky |
p-values |
||||
|---|---|---|---|---|---|
| I | IIA | IIB | IIC | III | |
| Bony union |
1 |
0.11 |
0.17 |
0.07 |
<0.05 |
| Sum of radiolucencies |
1 |
0.11 |
0.17 |
0.07 |
<0.05 |
| Sum of stem migration |
0.07 |
0.10 |
0.13 |
<0.05 |
0.07 |
| “Stress-Shielding” |
0.38 |
0.70 |
0.94 |
<0.05 |
<0.05 |
| HHS difference [pre- vs. post-OP] |
0.34 |
0.93 |
0.32 |
<0.05 |
<0.05 |
|
Stem - Diameter |
13 / 14 mm |
15 / 16 mm |
17 / 18 mm |
19 / 20 mm |
> 21 mm |
| Bony union |
0.16 |
0.12 |
0.08 |
0.08 |
0.08 |
| Sum of radiolucencies |
0.16 |
0.12 |
0.08 |
0.08 |
0.08 |
| Sum of stem migration |
0.16 |
0.47 |
0.11 |
0.08 |
0.08 |
| “Stress-Shielding” |
0.39 |
0.30 |
<0.05 |
<0.05 |
0.08 |
| HHS differece [pre- vs. post-OP] | 0.34 | 0.93 | <0.05 | <0.05 | <0.05 |
Detailed evaluation of clinical and radiographic results with consideration given to the femoral defect situation and implant diameter: levels of significance in difference (p-values) between control and study group.