Table 1 Characteristics of nasopharyngeal carcinoma patients (n = 507)
Characteristic | Nasopharyngeal carcinoma patients: n (%) |
|---|---|
Sex | Â |
 Female | 126 (24.9) |
 Male | 381 (75.1) |
Age (years) | Â |
 Median (range) | 46 (19–78) |
 Mean ± SD | 46.38 ± 11.065 |
Clinical stage | Â |
 I-II | 140 (27.7) |
 III-IV | 367 (72.3) |
Progression | Â |
 No | 310 (61.1) |
 Yes | 197 (38.9) |
Death | Â |
 No | 341 (67.3) |
 Yes | 166 (32.6) |
Follow-up time (months) | Â |
 Median (range) | 68 (3–114) |
 Mean ± SD | 60.81 (25.4) |
WHO histological classification | Â |
 NKUC | 364 (71.8) |
 NKDC | 129 (25.4) |
 KSCC | 13 (2.6) |
 Missing | 1 (0.2) |