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Table 1 Characteristics of 479 patients, n (%)

From: Dosimetric analysis of radiation-induced brainstem necrosis for nasopharyngeal carcinoma treated with IMRT

  

Normal(N = 473)

Necrosis(n = 6)

Total(479)

Age

 

45.78 ± 11.39

43.83 ± 12.19

45.73 ± 11.39

Gander

Femal

116(24.5)

2(33.3)

118(24.6)

Male

357(75.5)

4(66.7)

361(75.4)

T Classification

Stage T1

44(9.3)

0 (0.00)

44 (9.2)

Stage T2

107 (22.6)

0 (0.00)

107(22.3)

Stage T3

145 (30.9)

1 (16.7)

146 (30.5)

Stage T4

177(37.4)

5 (83.3)

182 (38.0)

Stage

I

3 (0.6)

0 (0.00)

3 (0.6)

II

54(11.4)

0 (0.00)

54(11.3)

III

226(47.8)

1 (16.7)

227(47.4)

IV

190(40.2)

5 (83.3)

195(40.7)

D01

 ≤ 60 Gy

441(93.2)

0(0.0)

441(92.1)

 > 60 Gy

32(6.8)

6(100.0)

38(7.9)