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Table 2 Clinicopathological factors and their relationship to the expression of different proteins, assessed in AC cases

From: Prognostic significance of CD44s expression in resected non-small cell lung cancer

Characteristics CD44s (n = 77) COX-2 (n = 82)
  Low(%) High(%) Low(%) High(%)
Tumor differentiation     
   Well, 7(33.3) 14(66.7) 7(31.8) 15(68.2)
   Moderately, poorly 29(51.8) 27(48.2) 9(15.0) 51(85.0)
p-value   0.117   0.085
Tumor size     
   < 3 cm 12(42.9) 16(57.1) 1(3.4) 28(96.6)
   ≥ 3 cm 24(50.0) 24(50.0) 14(26.9) 38(73.1)
p-value   0.547   0.009
Lymph node metastasis     
   N0-1 33(53.2) 29(46.8) 14(20.9) 539(79.1)
   N2-3 3(20.0) 12(80.0) 2(13.3) 13(86.7)
p-value   0.021   0.397
Stage     
   I 20(48.8) 21(51.2) 10(23.3) 33(76.7)
   II 8(53.3) 7(46.7) 3(16.7) 15(83.3)
   III 8(38.1) 13(61.9) 3(14.3) 18(85.7)
p-value   0.616   0.373
Lymphatic invasion     
   Negative 19(42.2) 26(57.8) 11(23.4) 36(76.6)
   Positive 16(53.3) 14(46.7) 5(15.2) 28(84.8)
p-value   0.345   0.364
  1. AC, adenocarcinoma; COX, cyclooxygenase.