Table 3 Results of risk factor analysis related to SIF
From: Sacral insufficiency fractures after high-dose carbon-ion based radiotherapy of sacral chordomas
Parameter | p-value | HR | 95% CL |
|---|---|---|---|
S. p. operation(yes vs. no) | n.s. | 0.563 | 0.189–1.678 |
S. p. high sacrectomy (yes vs. no) | n.s. | 0.919 | 0.281–3.005 |
Sacral BMD | n.s. | 1.009 | 0.998–1.021 |
Female gender (yes vs. no) | n.s. | 0.496 | 0.159–1.542 |
Age | n.s. | 1.016 | 0.970–1.064 |
Radiation dose | n.s. | 1.002 | 0.894–1.123 |
GTV | n.s. | 1.0 | 0.998–1.001 |