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Table 3 CDK5 expression associated with the various clinicopathological parameters in lung cancer

From: An immunohistochemical study of cyclin-dependent kinase 5 (CDK5) expression in non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC): a possible prognostic biomarker

Lung cancer

n

CDK5 negative (n, %)

CDK5 positive (n, %)

Z

P

Gender

   

−0.884

0.377

 Male

275

137(49.8)

138(50.2)

  

 Female

90

40(44.4)

50(55.6)

  

Age(years)

   

−0.418

0.676

 <60

196

96(49.0)

100(51.0)

  

 ≥60

169

81(47.9)

88(52.1)

  

Pathological grading

   

25.060a

<0.001

 I

39

29(74.4)

10(25.6)

  

 II

92

53(57.6)

39(42.4)

  

 III

131

44(33.6)

87(66.4)

  

TNM

   

−2.944

0.003

 I–II

299

156(52.2)

143(47.8)

  

 III–IV

63

20(31.7)

43(68.3)

  

LNM

   

−7.080

<0.001

 Yes

128

30(23.4)

98(76.6)

  

 No

234

146 (62.4)

88(37.6)

  

Tumor diameter (cm)

   

−1.653

0.098

 ≤7

314

158(50.3)

156(49.7)

  

 >7

48

18(37.5)

30(62.5)

  

Distal metastasis

   

−1.931

0.054

 Absent

346

172(49.7)

174(50.3)

  

 Present

16

4(25.0)

12(75.0)

  
  1. aKruskal-Wallis H test was performed between the groups of pathological grading