Table 2

Relation of serum DKK-1 to clinicopathological characteristics of 150 patients with non–small cell lung cancer
Group N (%) DKK-1,ng/ml (mean[SD]) P value
Gender
  Male 81(54%) 32.1(6.1)
  Female 69(46%) 30.2(5.9) 0.91
Age
  < 50 yr 15(10%) 29.9(3.6)
  50-70 yr 85(57%) 32.3(6.1)
  > 70 yr 50(33%) 31.1(4.2) 0.77
Smoking history
  Current 112(75%) 33.4(6.2)
  Former 29(19%) 31.1(5.7)
  Never 9(6%) 28.1(3.4) 0.81
TNM stage
  I 21(14%) 9.4(4.9)
  II 24(16%) 15.8(5.1)
  III 47(31%) 27.9(6.2)
  IV 58(39%) 49.1(6.7) 0.009
Lymph node
  No 103(69%) 24.3(6.6)
  Yes 47(31%) 57.9(3.9) 0.001
Distant metastases
  No 135(90%) 23.2(9.3)
  Yes 15(10%) 68.1(7.9) <0.001

N: number; SD: Standard Deviation.

Dong et al.

Dong et al. Diagnostic Pathology 2014 9:52   doi:10.1186/1746-1596-9-52

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