Factor
|
p-value
|
HR
|
95% CI for HR
|
---|
T category(T4 vs T1–3)
|
0.029
|
5.94
|
1.2–29.43
|
GTVnx D2%
|
0.040
|
1.21
|
1.01–1.45
|
Dmax
|
0.003
|
1.15
|
1.05–1.26
|
D1%
|
0.003
|
1.16
|
1.05–1.28
|
D0.1cc
|
0.003
|
1.16
|
1.05–1.27
|
D1cc
|
0.006
|
1.15
|
1.04–1.27
|
- D 2% near the maximum absorbed dose of GTVnx, Dmax the maximum point dose of brainstem,
- D1% the dose of 1% brainstem volume, D0.1cc the maximum dose of brainstem delivered to a volume of 0.1 ml, D1cc the maximum dose of brainstem delivered to a volume of 1.0 ml, GTVnx
- Gross tumor volume of nasopharyngeal primary lesions and their direct extensions
- Abbreviation: HR hazard ratio, CI confidence interval, GTV Gross tumor volume