Cell Proliferation (KI-67) Expression Is Associated with Poorer Prognosis in Nigerian Compared to British Breast Cancer Women

Table 2

Relationship between KI-67 marker expression in Nigeria and UK series.

KI-67	Nigeria (%)	UK (%)	𝜒^2 value	P value
Negative	46 (17.4)	82 (33.3)	85.40	<0.001
Positive	218 (82.6)	164 (66.7)