Table 2 Univariate and multivariate analyses of prognostic factors in lung adenocarcinoma patients (N = 76)
Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
Wald χ2 | P | HR (95%CI) | P | |
Age | 0.084 | 0.771 | Â | NI |
  < 65 |  |  |  |  |
  ≥ 65 |  |  |  |  |
Smoke | 1.787 | 0.181 | Â | NI |
 Yes |  |  |  |  |
 No |  |  |  |  |
Sex | 3.878 | 0.049 | Â | 0.112 |
 Female |  |  | Reference |  |
 Male |  |  | 2.177 (0.834–5.680) | 0.112 |
T stage | 9.563 | 0.002 | Â | 0.369 |
 T1 |  |  | Reference |  |
 T2 |  |  | 6.799 (0.766–60.343) | 0.085 |
 T3 |  |  | 8.541 (0.713–102.27) | 0.090 |
 T4 |  |  | 4.852 (0.279–84.320) | 0.278 |
N stage | 14.628 |  < 0.001 |  | 0.024 |
 N0 |  |  | Reference |  |
 N1 |  |  | 3.579 (0.882–14.522) | 0.074 |
 N2 |  |  | 5.110 (1.577–16.560) | 0.007 |
CD44 | 10.751 | 0.001 | Â | 0.022 |
  Low |  |  | Reference |  |
  High |  |  | 3.534 (1.197–10.435) | 0.022 |