Table 2. The Cox regression analysis of clinicopathologic features with the OS in LUAD.
| Variable | Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|---|
| P value | HR | 95% CI | P value | HR | 95% CI | ||
| Sex (male vs. female) | 0.736 | 0.898 | 0.482–1.675 | – | – | – | |
| Age (≤60 vs. >60 years) | 0.228 | 1.467 | 0.787–2.735 | – | – | – | |
| Pathologic T (T1/T2 vs. T3/T4) | 0.616 | 0.819 | 0.376–1.785 | – | – | – | |
| Pathologic N (N0 vs. N1/N2) | 0.005 | 2.653 | 1.350–5.216 | 0.014 | 2.596 | 1.214–5.547 | |
| Pathologic M (M0 vs. M1) | 0.002 | 2.932 | 1.465–5.867 | 0.001 | 4.987 | 1.960–12.687 | |
| TNM (I/II vs. III/IV) | 0.049 | 1.909 | 1.002–3.638 | – | – | – | |
| Tumor size (≤4 vs. >4 cm) | 0.278 | 0.693 | 0.357–1.344 | – | – | – | |
| Differentiation (1/1–2/2 vs. 2–3/3) | 0.038 | 1.998 | 1.040–3.842 | 0.037 | 2.171 | 1.049–4.490 | |
| Expression (low vs. high) | 0.001 | 4.048 | 1.760–9.312 | 0.029 | 2.822 | 1.113–7.159 | |
LUAD, lung adenocarcinoma; OS, overall survival; HR, hazard ratio; CI, confidence interval; TNM, Tumor-Node-Metastasis.