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Table 4 Association of Lewisy/b expression with clinicopathological characteristics (chi-square test)

From: High expression of Lewisy/bantigens is associated with decreased survival in lymph node negative breast carcinomas

Prognostic factors

Cut-off points

Intensity of staining (p-value)

Percentage of positive cells (p-value)

Age (years; median 56)

<40, 41–50, 51–60, >60

0.011

0.014

Menopausal status

Pre- or post-menopausal

0.547

0.917

Histological grade

Well, moderate, poor differentiated

0.009

<0.001

Lymph node (LN) stage

LN -/ LN+

0.368

0.419

Tumour size (mm)

<10, 11–20, 21–30, 31–40, 41–50

0.594

0.884

Nottingham Prognostic Index

Good, moderate, or poor

0.151

0.016

Tumour type

1, 2, 3 or 4

0.093

0.007

Vascular invasion

None or definite

0.293

0.316

Distant metastases

Absent or present

0.515

0.532

Any recurrence

Absent or present

0.533

0.743

Local recurrence

Absent or present

0.775

0.908

Regional recurrence

Absent or present

0.314

0.278