Research Article

Ki-67 Labeling Index in Primary Invasive Breast Cancer from Sudanese Patients: A Pilot Study

Table 4

Relationships between the different clinical/pathological variables of the studied breast cancer patients.

Ki-67 LI*Tumor gradeTumor sizeERPRHER-2/neuAgeBreast cancer subtypesCK5/6

Tumor grade0.293
0.021 #
Tumor size−0.195−0.098
0.162 0.487
ER 0.102 0.079 0.181
0.431 0.541 0.195
PR 0.050 0.083
0.698 0.555 <0.001
HER-2/neu −0.098−0.163 0.023
0.449 0.204 0.872
Age−0.083 0.198 −0.077 0.064 0.037 −0.112
0.612 0.220 0.657 0.693 0.823 0.492
Breast cancer subtypes−0.011 0.109 0.126
0.931 0.436 <0.001<0.001<0.001 0.437
CK5/6−0.139−0.160 0.095 −0.066 0.070 −0.229
0.298 0.229 0.517 0.623 0.685 0.084
CK17−0.077−0.125 0.056 −0.148−0.143−0.088−0.278−0.111 0.246
0.557 0.341 0.694 0.258 0.276 0.502 0.091 0.398 0.067

*Ki-67 LI as continuous variable Spearman correlation coefficient (Spearman's rho); #P value of Spearman rank correlation test, significant correlations were marked in bold.