Table 2.
Univariate and Multivariate Analyses of Factors Associated with Overall Survival
| Factors | OS | |||
|---|---|---|---|---|
| Multivariate | ||||
| Univariate p | HR | 95%CI | P value | |
| Sex (Female vs. Male) | 0.645 | NA | ||
| Age (years) (≤60 vs. > 60) | 0.447 | NA | ||
| Smoking status (Smokers vs. Nonsmokers) | 0.896 | NA | ||
| Histological type (SCC vs. Adenocarcinomas) | 0.580 | NA | ||
| Lymph node metastasis (Yes vs. No) | 0.001 | 0.405 | 0.232–0.706 | 0.024 |
| Differentiation (Well and moderate vs. Poor) | 0.053 | NS | ||
| Tumor size (diameter, cm) (> 3 vs. ≤3) | 0.038 | NS | ||
| TNM (III-IV vs. I-II) | 0.276 | NA | ||
| CircUSP7 expression (High vs. Low) | 0.001 | 3.090 | 1.552–6.151 | 0.037 |
OS Overall survival, NA Not adopted, NS Not significantly, SCC Squamous cell carcinoma, 95%CI 95% confidence interval, HR Hazard ratio; Cox proportional hazards regression model