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Table 6 Prognostic factors including the residual ratio of TNR changes prior to and following treatment in the patients using multivariate analysis

From: Accuracy of methionine-PET in predicting the efficacy of heavy-particle therapy on primary adenoid cystic carcinomas of the head and neck

Variable

Multivariate

 

CI

CI

p value

HR

Metastasis

 Residual ratio of TNR (≥60% vs. <60%)

1.051

5.229

0.0374

2.344

 Tumor size (>40 vs. ≤40)

0.135

0.863

0.0230

0.342

 Age (≥54 vs. <54)

0.350

1.889

0.6311

0.814

 Gender (male vs. female)

0.222

1.119

0.0914

0.499

Survival

 Residual ratio of TNR (≥80% vs. <80%)

0.652

8.254

0.1939

2.319

 Tumor size (>40 vs. ≤40)

0.097

0.927

0.0364

0.300

 Age (≥54 vs. <54)

0.112

0.980

0.0459

0.332

 Gender (male vs. female)

0.113

0.805

0.0166

0.302

  1. CI confidence interval, HR hazard ratio.
  2. Residual ratio of TNR: residual ratio of tracer uptake change prior to and following carbon ion radiotherapy.
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Radiation Oncology

ISSN: 1748-717X

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