Table 5 Univariable and multivariable logistic regression analyses for intratumoral necrosis.
Variables | Univariable | Multivariable | ||
|---|---|---|---|---|
OR (95% CI) | p | OR (95% CI) | p | |
Sex | ||||
Female | 1.000 (–) | – | ||
Male | 2.294 (0.834–6.310) | 0.108 | ||
Age (years) | ||||
< 60 | 1.000 (–) | – | ||
≥ 60 | 1.460 (0.659–3.232) | 0.351 | ||
Tumor volume, preoperative (cc) | ||||
< 3 | 1.000 (–) | – | ||
≥ 3 | 5.220 (1.695–16.073) | 0.004 | 1.118 (0.281–4.452) | 0.874 |
TCTI | ||||
< 1.5 | 1.000 (–) | – | ||
≥ 1.5 | 1.055 (0.455–2.449) | 0.900 | ||
Coverage | ||||
< 95% | 1.000 (–) | – | ||
≥ 95% | 1.386 (0.362–5.304) | 0.633 | ||
Selectivity | ||||
< 70% | 1.000 (–) | – | 1.000 (–) | – |
≥ 70% | 2.676 (1.097–6.527) | 0.030 | 1.011 (0.969–1.056) | 0.603 |
Gradient index | ||||
< 2.70 | 1.000 (–) | – | 1.000 (–) | – |
≥ 2.70 | 0.333 (0.148–0.749) | 0.008 | 0.454 (0.188–1.094) | 0.078 |
70% dose volume | ||||
< 1 cc | 1.000 (––) | – | 1.000 (–) | – |
≥ 1 cc | 6.875 (2.881–16.406) | < 0.001 | 5.892 (2.420–14.349) | < 0.001 |
70% dose ratio | ||||
< 50% | 1.000 (–) | – | ||
≥ 50% | 0.531 (0.230–1.226) | 0.138 | ||
