Table 1.
Clinicopathological features of patients
| Clinicopathological features | NPC (n = 52) | NNE (n = 17) |
|---|---|---|
| Age (year) mean ± SD | 44.5 ± 13.9 | 40.1 ± 14.9 |
| Male/Female No. (%) | 39/13 (75.0/25.0) | 11/6 (64.7/35.3) |
| Histological subtypea No. (%) | ||
| Keratinizing squamous cell carcinoma | 1 (1.9) | |
| Non-keratinizing carcinoma | 51(98.1) | |
| TNM classificationb No. c (%) | ||
| Tumor size No. (%) | ||
| T1 | 10 (23.3) | |
| T2 | 13 (30.2) | |
| T3 | 14 (32.6) | |
| T4 | 6 (13.9) | |
| Lymph node metastasis No. (%) | ||
| N0 | 12 (27.9) | |
| N1 | 12 (27.9) | |
| N2 | 7 (16.2) | |
| N3 | 12 (27.9) | |
| Metastasis No. (%) | ||
| M0 | 43 (100) | |
| M1 | 0 (0) | |
| Cancer stageb No. c (%) | ||
| I- II | 13 (30.2) | |
| III- IV | 30 (69.8) | |
aaccording to the WHO histological classification of tumors of the nasopharynx
baccording to the International Union Against Cancer (UICC)
cmissing of 9 patient data because of no follow-up