Table 2 Patient characteristics
From: Expression of toll-like receptors in non-endemic nasopharyngeal carcinoma
Characteristic | n (%) |
|---|---|
All patients | 150 (100) |
Gender | |
 Male | 101 (67) |
 Female | 49 (33) |
Mean age at diagnosis | |
 Years (SD) | 57.0 (15) |
 Range | 12–85 |
Ethnicity | |
 Finnish | 145 (97) |
 Othera | 5 (3) |
Smoking | |
 Smoker or ex-smoker | 71 (47) |
 Non-smoker | 36 (24) |
 Not known | 43 (29) |
T class | |
 T1 | 54 (36) |
 T2 | 40 (27) |
 T3 | 26 (17) |
 T4 | 30 (20) |
N class | |
 N0 | 53 (35) |
 N1 | 33 (22) |
 N2 | 51 (34) |
 N3a | 10 (7) |
 N3b | 3 (2) |
Overall stage | |
 I | 19 (12) |
 II | 37 (25) |
 III | 52 (35) |
 IV | 42 (28) |
Histology | |
 Keratinizing squamous cell carcinoma | 33 (22) |
 Non-keratinizing differentiated carcinoma | 25 (17) |
 Non-keratinizing undifferentiated carcinoma | 92 (61) |
Virus status | |
 EBV-positive | 93 (62) |
 HPV-positive | 21 (14) |
 EBV/HPV-negative | 36 (24) |
Treatment | |
 Radiotherapy | 67 (45) |
 Chemoradiotherapy | 76 (51) |
 Palliative | 7 (4) |
Irradiation technique | |
 2-dimensional radiotherapy (2D) | 15 (10) |
 3-dimensional radiotherapy (3D) | 88 (60) |
 Intensity modulated radiotherapy (IMRT) | 44 (30) |