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. 2009 Dec 3;9:421. doi: 10.1186/1471-2407-9-421

Table 3.

Univariate survival analysis of prognostic factors of NSCLC (n = 42)

Variables n Median survival (95% CI) (days) P
Age (years)
 <60 27 370.0 (301.3-438.7) 0.665
 ≥ 60 15 333.0 (244.6-421.4)
Stage
 III 23 416.0 (369.1-462.8) 0.163
 IV 19 327. 0 (298.7-355.3)
T factor
 T2-T3 17 431.0 (315.3-546.7) 0.051
 T4 25 348.0 (248.3-447.6)
N factor
 N0-N1 21 394.0 (312.2-475.8) 0.380
 N2-N3 21 348.0 (310.1-385.9)
ECOG
 1 30 403.0 (327.9-478.0) 0.130
 2-3 12 333.0 (311.5-354.5)
Histology
 SCC 31 367.0 (288.1-445.9) 0.270
 ADC 11 394.0 (324.8-463.1)
Smoking habit
 Smokers 36 370.0 (294.0-446.0) 0.745
 Non-smokers 06 367.0 (248.7-485.3)
Tobacco habit
 Yes 08 394.0 (352.3-435.6) 0.022
 No 34 314.0 (266.0-362.0)
Plasma VEGF (median)
 <275.2 pg/mL 21 348.0 (246.1-449.9) 0.885
 ≥ 275.2 pg/mL 21 370.0 (288.3-451.7)

T, tumor; N, nodal status; ECOG, Eastern Cooperative Oncology Group; VEGF, vascular endothelial growth factor; 95% CI, 95% confidence interval.