Table 2.
Univariate analyses of factors related to 5-year disease-specific survival in tongue SCC patients with lymph node metastases.
| Clinicopathological factors | n | 5y-DSS (%) | P-value |
|---|---|---|---|
| Age | 0.49 | ||
| < 60 years | 60 | 84.9 | |
| > 60 years | 68 | 79.3 | |
| Sex | 0.48 | ||
| Male | 92 | 79.9 | |
| Female | 36 | 87.7 | |
| cT | 0.09 | ||
| T1 + T2 | 93 | 85.3 | |
| T3 + T4 | 35 | 71.7 | |
| Pathological differentiation | 0.53 | ||
| Well | 48 | 78.6 | |
| Moderate | 45 | 87.4 | |
| Poor | 28 | 76.6 | |
| Unknown | 4 | 100 | |
| Number of ipsilateral positive nodes | < 0.01 | ||
| < 3 | 100 | 88.8 | |
| ≥ 4 | 28 | 55.4 | |
| Level of ipsilateral positive nodes | < 0.01 | ||
| Level I, II, or III | 120 | 86.8 | |
| Level IV or V | 8 | 12.5 | |
| ENE of ipsilateral positive nodes | 0.02 | ||
| Negative | 66 | 88.9 | |
| Positive | 62 | 74.4 | |
| Contralateral cervical LNM | < 0.01 | ||
| Absence | 113 | 86.4 | |
| Presence | 15 | 46.9 | |
| LLNM | < 0.01 | ||
| Absence | 107 | 88.4 | |
| Presence | 21 | 49.0 | |
| Postoperative treatment | < 0.01 | ||
| No | 75 | 89.6 | |
| Yes | 53 | 71.3 |
SCC squamous cell carcinoma, 5y-DSS 5-year disease-specific survival, LNM lymph node metastasis, LLNM lingual lymph node metastasis, ENE extranodal extension.
Survival between patients is compared using the log-rank test.
P < 0.05 is considered statistically significant.