Table 1.
Baseline Characteristics of 2094 Patients with Nasopharyngeal Carcinoma
| Characteristic | No. of Patients (%) |
|---|---|
| Age, year | |
| Median | 45 |
| Range | 18–78 |
| Sex | |
| Female | 528 (25.2) |
| Male | 1566 (74.8) |
| Smoking | |
| No | 1336 (63.8) |
| Yes | 758 (36.2) |
| Drinking | |
| No | 1843 (88.0) |
| Yes | 251 (12.0) |
| Family history of cancer | |
| No | 1502 (71.7) |
| Yes | 592 (28.3) |
| WHO type | |
| I | 11 (0.5) |
| II | 98 (4.7) |
| III | 1985 (94.8) |
| T category* | |
| T1 | 350 (16.7) |
| T2 | 350 (16.7) |
| T3 | 991 (47.3) |
| T4 | 403 (19.2) |
| N category* | |
| N0 | 355 (17.0) |
| N1 | 1189 (56.8) |
| N2 | 335 (16.0) |
| N3 | 215 (10.3) |
| TNM stage* | |
| I | 121 (5.8) |
| II | 419 (20.0) |
| III | 974 (46.5) |
| IV | 580 (27.7) |
| Chemotherapy | |
| No | 319 (15.2) |
| Yes | 1775 (84.8) |
Note: *According to the 8th AJCC/UICC staging system.
Abbreviation: WHO, World Health Organization.