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Table 5 The correlation of CDK5 expression with various clinical pathological factors in SCLC

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

SCLC n CDK5 negative (n, %) CDK5 positive (n, %) Z P
Gender     −2.089 0.037
 Male 21 11(52.4) 10(47.6 )   
 Female 5 0(0) 5(100)   
Age(years)     −0.515 0.606
 <60 15 7(46.7) 8(53.3)   
 ≥60 11 4(36.4) 7(63.6)   
TNM     −1.948 0.051
 I–II 13 8(61.5) 5(38.5)   
 III–IV 10 2(20.0) 8(80.0)   
LNM     −2.201 0.028
 Yes 13 3(23.1) 10(76.9)   
 No 10 7(70.0) 3(30.0)   
Tumor diameter (cm)     −1.888 0.059
 ≤7 19 10(52.6) 9(47.4)   
 >7   0(0) 4(100)