|
Sex
|
|
Men
|
160 (78.4)
|
18 (58.1)
|
142 (82.1)
|
|
Women
|
44 (21.6)
|
13 (41.9)
|
31 (17.9)
|
|
Age (years)
|
|
<39.5
|
48 (23.5)
|
4 (12.9)
|
44 (25.4)
|
|
≥39.5
|
156 (76.5)
|
27 (87.1)
|
129 (74.6)
|
|
Initial radiation dose (Gy)
|
|
<74.68
|
178 (87.3)
|
25 (80.6)
|
153 (88.4)
|
|
≥74.68
|
26 (12.7)
|
6 (19.4)
|
20 (11.6)
|
|
Recurrent stage
|
|
I
|
13 (6.4)
|
0 (0)
|
13 (7.5)
|
|
II
|
25 (12.3)
|
4 (12.9)
|
21 (12.1)
|
|
III
|
78 (38.2)
|
13 (41.9)
|
65 (37.6)
|
|
IV
|
88 (43.1)
|
14 (45.2)
|
74 (42.8)
|
|
Interval of recurrence (months)
|
|
<25.5
|
73 (35.8)
|
9 (29.0)
|
64 (37.0)
|
|
≥25.5
|
131 (64.2)
|
22 (72.0)
|
109 (63.0)
|
|
CCRT during re-irradiation
|
|
Yes
|
67 (32.8)
|
8 (25.8)
|
59 (34.1)
|
|
No
|
137 (67.2)
|
23 (74.2)
|
114 (65.9)
|
|
Necrosis before re-irradiation
|
|
Yes
|
41 (20.1)
|
12 (38.7)
|
29 (16.8)
|
|
No
|
163 (79.9)
|
19 (61.3)
|
144 (83.2)
|
|
Re-irradiation dose (Gy)
|
|
<67
|
135 (66.2)
|
18 (58.1)
|
117 (67.6)
|
|
≥67
|
69 (33.8)
|
13 (41.9)
|
56 (32.4)
|
|
Mean re-irradiation dose (Gy)
|
|
<71.97
|
152 (74.5)
|
18 (58.1)
|
134 (77.5)
|
|
≥71.97
|
52 (25.5)
|
13 (41.9)
|
39 (22.5)
|
|
Re-irradiation fractionated dose (Gy)
|
|
<2.3
|
197 (96.6)
|
30 (96.8)
|
167 (96.5)
|
|
≥2.3
|
7 (3.4)
|
1 (3.2)
|
6 (3.5)
|
|
Duration of re-irradiation (days)
|
|
<49.5
|
173 (84.8)
|
23 (74.2)
|
150 (86.7)
|
|
≥49.5
|
31 (15.2)
|
8 (25.8)
|
23 (13.3)
|
|
Accumulated total GTV dose (Gy)
|
|
<141.5
|
186 (91.2)
|
25 (80.6)
|
161 (93.1)
|
|
≥141.5
|
18 (8.8)
|
6 (19.4)
|
12 (6.9)
|
|
Recurrent tumor volume (cm3)
|
|
<25.38
|
59 (28.9)
|
3 (9.7)
|
56 (32.4)
|
|
≥25.38
|
145 (71.1)
|
28 (90.3)
|
117 (67.6)
|
|
BMI
|
|
<19.8
|
50 (24.5)
|
6 (19.4)
|
44 (25.4)
|
|
≥19.8
|
154 (75.5)
|
25 (80.6)
|
129 (74.6)
|
|
Necrosis
|
|
Yes
|
77 (37.7)
|
31 (100)
|
46 (26.6)
|
|
No
|
127 (62.2)
|
0 (0)
|
127 (73.4)
|
