Table 3.
Radiographic parameters between the pain group and the no-pain group
| Variable | Thigh pain group | No thigh pain group | p value |
|---|---|---|---|
| Preoperative parameters | |||
| FFI (a/b) | 3.38 | 3.32 | .525 |
| a | 3.95 | 4.00 | .575 |
| b | 1.21 | 1.25 | .286 |
| FCI ((c − d)/c) | 0.51 | 0.52 | .412 |
| c | 2.53 | 2.61 | .111 |
| d | 1.22 | 1.25 | .497 |
| Postoperative parameters | |||
| S-ICDR (e/f) | 0.80 | 0.82 | .148 |
| e | 1.08 | 1.15 | .091 |
| f | 1.39 | 1.41 | .926 |
| S-ICDR (g/h) | 0.84 | 0.82 | .069 |
| g | 1.76 | 1.80 | .306 |
| h | 2.11 | 2.20 | .088 |
| CSA (°) | 2.52 | 1.65 | .001 |
| SSA (°) | 4.63 | 3.96 | .016 |
| FSS (cm) | 0.29 | 0.12 | .000 |
| VCSA (°) | 1.32 | 0.85 | .004 |
FFI femoral flare index, FCI femoral cortical index, S-ICDR stem-intramedullary canal diameter ratio, CSA coronal stem angulation, SSA sagittal stem angulation, FSS femoral stem subsidence from the first to last follow-up visits, VCSA variation in coronal stem angulation from the first to last follow-up visits