Table 1 P atients and tumor characteristics
Characteristic | Value-n(%) |
|---|---|
Age (y) | |
Mean | 53 |
Range | 28-78 |
Gender (n) | |
Female | 1 (3.2) |
Male | 30 (96.8) |
Tumor site | |
NPC | 11 (35.5) |
Oral cavity | 14 (45.2) |
Oropharynx | 4 (12.9) |
Larynx | 1 (3.2) |
Parotid | 1 (3.2) |
Stage (TNM staging system) | |
T1 | 3 (9.7) |
T2 | 12 (38.7) |
T3 | 6 (19.4) |
T4 | 7 (22.6) |
Not applicable/Recurrent | 3 (9.6) |
N0 | 16 (51.7) |
N1 | 5 (16.1) |
N2 | 7 (22.6) |
N3 | 0 (0.0) |
Not applicable/Recurrent | 3 (9.6) |
Dose, Gy/# fractions | |
14 (45.2) 69.2/38 | |
1 (3.2) 54.8/30 | |
9 (29.1) 59.4/33 | |
4 (12.9) 57.6/32 | |
1 (3.2) 68.4/38 | |
1 (3.2) 70.8/35 | |
1 (3.2) 52.2/29 | |
Parotid gland mean dose | |
Ipsilateral, mean (range) | 51.7 (26.9-74.8) Gy |
Contralateral, mean (range) | 36.7 (7.6-57.6) Gy |
Surgery before RT | |
Yes | 16 (51.6) |
No | 15 (48.4) |
Chemotherapy | |
Yes | 19 (61.3) |
No | 12 (38.7) |
SEF recovery* | |
Grade 3+ xerostomia | 10 (16.1) |
No grade 3+ xerostomia | 52 (83.9) |
QoL measurement* | |
Grade 3+ xerostomia | 6 (19.4) |
No grade 3+ xerostomia | 25 (80.6) |