Table 1: Patient Demographics, Tumor Type, Dose of RT (n=49)

PARAMETER Group A (n=25) Group B (n=24) p-value
N % N %
Gender
Male 17 68 17 70.8 NS#
Female 8 32 7 29.2
Age
Mean 62.8 56.6 NS+
Range 42-83 24-78
Tumor histological diagnosis
Scca 14 56 11 45.8 NS#
Npca 6 24 9 37.5
Other 5 20 4 16.7
Tumor stage> ( N=24)
T1 1 4.2 4 16.7 NS*
T2 18 75 11 45.8
T3 1 4.2 4 16.7
T4 2 8.3 4 16.7
Tx 2 8.3 1 4.2
Node stage (N=24)
N0 2 8.3 8 33.3 p=0.03*
N1 12 50 7 29.2
N2 10 41.7 6 25
N3 0 0 3 12.5
Nx 0 0 0 0
Type of RT
Radical 14 56 11 45.8 NS#
Postoperative 11 44 13 54.2
Daily dose
1.8Gy 17 68 3 12.5 p<0.003*
2.0Gy 8 32 20 83.3
2.4Gy 0 0 1 4.2
Total dose
Mean 65.6 64.6 NS*
Range 59.4-72 46-70

# p-value based on Pearson chi square test
+ p-value based on t-test
* p-value based on Fisher’s exact test NS: non-significant