Table 1

Relationship between N- and E-cadherin expression and clinicopathological factors

ParametersN-cadherin expressionE-cadherin expression
NegativePositivePaNormalReducedPa
UICCb classification
 Tumor extent (pT)0.9620.758
  1 or 23214
  37658
  47548
 Node involvement (pN)0.9360.398
  05427
  1129813
 Distant metastasis (pM)0.1930.584
  0137614
  14646
 Histological grading (G)0.0430.193
  12121
  2146515
  30532
  41102
 Stage0.8800.429
  Stage I or II7557
  Stage III or IV108513
Other tumor characteristicsc
 Tumor size0.7780.862
  ≤2 cm2112
  2<, ≤4 cm8558
  >4 cm77410
 Lymphatic invasion0.5580.283
  Negative7456
  Positive109514
 Venous invasion0.0980.429
  Negative9339
  Positive810711
 Nerve invasion (intrapancreatic)0.0080.760
  Negative7025
  Positive1013815
 Nerve invasion (extrapancreatic)0.2690.121
  Negative10578
  Positive78312
  • a P was calculated by χ2 test or Fisher’s exact test.

  • b UICC, Unio Internationale Contra Cancrum.

  • c Japan Pancreas Society classification.