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BioMed Research International
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2019
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Article
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Tab 3
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Research Article
Reducing Xerostomia by Comprehensive Protection of Salivary Glands in Intensity-Modulated Radiation Therapy with Helical Tomotherapy Technique for Head-and-Neck Cancer Patients: A Prospective Observational Study
Table 3
Predictors of patient-reported xerostomia scores.
Variable
Univariate analysis
Multivariate model
Estimate
SE
P
Estimate
SE
P
OC Dmean
0.216
0.074
0.004
0.226
0.091
0.014
PG-T Dmean
0.226
0.098
0.023
-0.023
0.117
0.844
cSMG Dmean
0.317
0.089
0.001
0.183
0.089
0.043
Age
0.125
0.024
0.001
0.092
0.035
0.009
Stage (II-III vs. IV)
1.494
0.728
0.042
1.842
0.850
0.033
Gender
-1.323
0.832
0.114
-1.875
0.990
0.061
Unstimulated saliva flow rate
-4.632
1.497
0.002
-2.181
2.351
0.356
Stimulated saliva flow rate
-4.113
0.899
0.001
-1.892
1.465
0.200
Dmean: mean dose.