Table 2 Clinicopathologic characteristics of patient samples and expression of MMP9 in NPC
From: Increased expression of MMP9 is correlated with poor prognosis of nasopharyngeal carcinoma
| Â | N (%) |
|---|---|
Gender | Â |
   Male | 116 (70.7) |
   Female | 48 (29.3) |
Age (y) | Â |
   <50 | 83 (50.6) |
   ≥50 | 81 (49.4) |
Smoking | Â |
   Yes | 39 (23.8) |
   No | 125 (76.2) |
T classification | Â |
   T1-T2 | 116 (70.3) |
   T3-T4 | 48 (29.3) |
N classification | Â |
   N0-N1 | 74 (45.1) |
   N2-N3 | 90 (54.9) |
Distant metastasis | Â |
   Yes | 8 (5.1) |
   No | 156 (94.9) |
Clinical stage | Â |
   I~II | 55 (33.5) |
   III~IV | 109 (66.50) |
Status at follow-up | Â |
   Alive | 102 (62.2) |
   Death secondary to NPC | 62 (38.8) |
Expression of MMP9 | Â |
   High expression | 127 (77.4) |
   Low expression | 37 (22.6) |