Table 2.
Univariate Analysis for Overall Survival and 5-Year Overall Survival
| Overall Survival | |||
|---|---|---|---|
| N = 231 | 5 Years (%) | P value | |
| Age | 0.08 | ||
| > 60 | 123 | 50.3 | |
| ≤ 60 | 108 | 36.4 | |
| Sex | 0.56 | ||
| Male | 198 | 42.5 | |
| Female | 33 | 40.9 | |
| Primary site | < 0.01* | ||
| Group 1 | 40 | ||
| Nasopharynx | 3 | NA | |
| Oropharynx | 30 | 51.9 | |
| Salivary gland | 7 | 55.6 | |
| Group 2 | 69 | ||
| Oral Cavity | 12 | 36.7 | |
| Tongue | 45 | 24.9 | |
| Paranasal sinus | 12 | 14.3 | |
| Group 3 | 122 | ||
| Hypopharynx | 55 | 34.6 | |
| Larynx | 67 | 57.2 | |
| DFI (months) | 0.09 | ||
| ≤ 24 | 131 | 37.1 | |
| > 24 | 100 | 50.0 | |
| Pathological maximum diameter (mm) | < 0.01* | ||
| ≤ 20 | 121 | 52.6 | |
| > 20 | 110 | 31.6 | |
| Procedures | 0.17 | ||
| Sublobar | 134 | 44.8 | |
| Lobectomy or more | 95 | 40.3 | |
| Unknown | 2 | ||
| Side | 0.63 | ||
| Either | 212 | 42.1 | |
| Bilateral | 19 | 44.9 | |
| Number | 0.58 | ||
| Solitary | 181 | 42.4 | |
| Multiple | 50 | 42.6 | |
Note: *p < 0.05: indicates significant values.
Abbreviations: DFI, disease-free interval; NA, not available.