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Characteristics of study population in NPC (n=58).
| Case | No. (%) |
|---|---|
| Gender | |
| Male | 38 (65.5) |
| Female | 20 (34.5) |
| Age (years) | |
| Mean (range) | 49.23 (14–84) |
| Clinical stage | |
| I | 4 (6.9) |
| II | 18 (31.0) |
| III | 10 (17.3) |
| IV | 26 (44.8) |
| Histological differentiation | |
| High or moderate | 5 (8.6) |
| Poor | 53 (91.4) |
| Lymph node metastasis | |
| N0 | 17 (29.3) |
| N1–3 | 41 (70.7) |
| Distant metastasis | |
| M0 | 48 (82.8) |
| M1 | 10 (17.2) |
NPC, nasopharyngeal carcinoma.
