Table 1.

Relationship between PDGF-AA/VEGF expression and tumor diameter of human NSCLCs

DiameterAAH (n = 13)Tumor diameter (ϕ) of NSCLCs (n = 128)
ϕ < 20 (n = 5)20 ≤ ϕ < 30 (n = 21 *)30 ≤ ϕ < 40 (n = 31)40 ≤ ϕ < 50 (n = 30)50 ≤ ϕ (n = 41)
PDGF-AA-positive rate (%) 0 (0.0)2 (40.0)12 (57.1)19 (61.3)24 (80.0)36 (87.8)
VEGF-positive rate (%) 4 (30.7)2 (40.0)9 (42.8)18 (58.0)21 (70.0)31 (75.6)
  • * Includes seven bronchioaveolar carcinomas.

  • P < 0.0001, Cochran-Armitage test for trend.

  • P < 0.001, Cochran-Armitage test for trend.