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Multivariate analyses of RIE.
| Parameters | Category | OR (95% CI) | p Value |
|---|---|---|---|
| SB volume (mL) | <720 | reference | 0.097 |
| ≥720 | 0.197 (0.029–1.343) | ||
| Mean SB dose (%) | <63% | reference | 0.049 |
| ≥63% | 6.104 (1.012–36.8180) | ||
| PTV (mL) | <1635 | reference | 0.654 |
| ≥1635 | 1.631 (0.191–13.914) | ||
| Age (years) | <56 | reference | 0.113 |
| ≥56 | 0.134 (0.011–1.607) | ||
| IMRT/VMAT | No | reference | 0.364 |
| Yes | 3.299 (0.251–43.391) | ||
| CCRT | No | reference | 0.646 |
| Yes | 0.525 (0.034–8.196) |
CI: confidence interval; OR: odds ratio.
