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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: Pract Radiat Oncol. 2014 Dec 17;5(4):e299–e308. doi: 10.1016/j.prro.2014.11.003

Table 2.

Patients and disease characteristics.

Characteristics Group 1 (n=17)
N.
Group 2 (n=13)
N.
P-value*
Age (y)
Median (range) 54 (42–82) 58 (52–79) 0.24

Sex
Male 15 13 0.20
Female 2 0

T Stage
T1 2 1
T2 7 7 0.92
T3 5 3
T4 3 2
Tx 0 0

N Stage
N0 2 1
N1 1 3 0.48
N2 14 10
N3 0 0
Nx 0 0

Primary sites
Base of Tongue 11 8 0.97
Tonsil 5 4
Glossopharyngeal sulcus 1 1
*

P values were calculated with the use of Pearson’s chi-square test for all comparisons, except age using 2-sample t-test.