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Characteristics and Univariate Survival Analysis of 68 HNSCC Cases.
| Variables | Case No. | Median OS (months) | P |
| Age (years) | .220 | ||
| <50 | 28 | __* | |
| ≥50 | 40 | 22.6 | |
| Sex | .588 | ||
| Male | 65 | 22.6 | |
| Female | 3 | __* | |
| T stage | .026 | ||
| 1–2 | 30 | __* | |
| 3–4 | 38 | 18.0 | |
| N stage | <.001 | ||
| 0 | 50 | __* | |
| 1–3 | 18 | 14.0 | |
| HIF-1α overexpression | .006 | ||
| Yes | 28 | 14.0 | |
| No | 40 | __* | |
| MT4-MMP overexpression | .081 | ||
| Yes | 37 | 18 | |
| No | 31 | __* | |
| HIF-1α/MT4-MMP coexpression | .005 | ||
| Yes | 20 | 14.0 | |
| No | 48 | __* |
OS indicates overall survival.
Median survival was not reached.
