Table 2.
Analysis of association between expression of YB1 protein and clinicopathological features of NPC.
| Clinicopathological features | YB1 | ||
|---|---|---|---|
| P (%) | N (%) | P value | |
| Gender | 0.434 | ||
| Male (n = 302) | 122 (29.8) | 180 (43.9) | |
| Female (n = 108) | 39 (9.5) | 69 (16.8) | |
| Age | 0.760 | ||
| < 40 (n = 86) | 35 (8.5) | 51 (12.4) | |
| ≥ 40 (n = 324) | 126 (30.7) | 198 (48.4) | |
| Clinical stages | *0.014 | ||
| I and II (n = 117) | 35 (8.5) | 82 (20.0) | |
| III and IV (n = 293) | 126 (30.7) | 167 (40.8) | |
| LN status | 0.355 | ||
| No LNM (n = 107) | 38 (9.3) | 69 (16.8) | |
| LNM (n = 303) | 123 (30) | 180 (43.9) | |
| Histological type | 0.931 | ||
| UDNPC (n = 384) | 151 (36.8) | 233 (56.8) | |
| DNPC (n = 26) | 10 (2.4) | 16 (4.0) | |
DNPC differentiated non-keratinized nasopharyngeal carcinoma, UDNPC undifferentiated non-keratinized nasopharyngeal carcinoma, LN lymph node, LNM lymph node metastasis, P positive, N negative.
*χ2, P < 0.05 (2-tailed).