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Table 3 Clinicopathological factors and their relationship to the expression of different proteins, assessed in SCC cases

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

Characteristics CD44s (n = 72) COX-2 (n = 77)
  Low(%) High(%) Low(%) High(%)
Tumor differentiation     
   Well 0(0) 4(100) 1(25.0) 3(75.0)
   Moderately, poorly 6(8.8) 62(91.2) 22(30.1) 51(69.9)
p-value   0.701   0.655
Tumor size     
   ≤ 3 cm 1(5.6) 17(94.4) 6(30.0) 14(70.0)
   > 3 cm 4(7.5) 497(92.5) 20(37.7) 33(62.3)
p-value   0.625   0.976
Lymph node metastasis     
   N0-1 5(8.1) 57(91.9) 21(31.3) 46(68.7)
   N2-3 1(10.0) 9(90.0) 2(20.0) 8(80.0)
p-value   0.607   0.373
Stage     
   I 3(7.9) 35(92.1) 12(28.6) 30(71.4)
   II 1(6.3) 15(93.8) 4(23.5) 13(76.5)
   III 2(11.1) 16(88.9) 7(38.9) 11(61.1)
p-value   0.736   0.594
Lymphatic invasion     
   negative 5(13.2) 33(86.8) 11(27.5) 29(72.5)
   positive 1(3.3) 29(96.7) 11(33.3) 22(66.7)
p-value   0.163   0.589
  1. SCC, squamous cell carcinoma; COX, cyclooxygenase.