| | |
Study
|
Historical control
|
Total
|
|---|
|
Patient No
| |
23
|
29
|
52
|
|
Age
|
| |
Median
|
66
|
60
|
63
|
| |
Range
|
25–92
|
26–90
|
25–92
|
|
Sex
|
| |
Male
|
21
|
28
|
49
|
| |
Female
|
2
|
1
|
3
|
| |
Squamous histology
|
22
|
30
|
52
|
|
Tumor sites
|
| |
Oropharynx
|
5
|
10
|
15
|
| |
Oral cavity
|
7
|
8
|
15
|
| |
Parotid (primary or metastates)
|
3
|
1
|
4
|
| |
Larynx
|
4
|
6
|
10
|
| |
Hypopharynx
|
2
|
2
|
4
|
| |
Unknown
|
1
|
2
|
3
|
| |
Nasopharynx
|
1
|
0
|
1
|
|
Stages
|
| |
I
|
0
|
2
|
2
|
| |
II
|
2
|
1
|
3
|
| |
III
|
9
|
12
|
21
|
| |
IVA
|
6
|
10
|
16
|
| |
IVB
|
3
|
4
|
7
|
| |
IVC
|
2
|
0
|
2
|
| |
Recurrence
|
1
|
0
|
1
|
|
T stages
|
| |
Tx
|
1
|
2
|
3
|
| |
T1
|
1
|
4
|
5
|
| |
T2
|
13
|
10
|
23
|
| |
T3
|
3
|
8
|
11
|
| |
T4
|
4
|
5
|
9
|
| |
Recurrence
|
1
|
0
|
1
|
|
Neck nodes
|
| |
N0
|
3
|
8
|
11
|
| |
N1
|
13
|
9
|
22
|
| |
N2
|
4
|
10
|
14
|
| |
N3
|
2
|
2
|
4
|
| |
Recurrence
|
1
|
0
|
1
|
|
Treatement
|
| |
Radiotherapy alone
|
5
|
5
|
10
|
| |
Chemoradiation
|
18
|
24
|
42
|
- Study: Mean parotid dose constraints less than 20 Gray; Control: Mean parotid dose constraints 26 Gy.
