Table 3: Relationship between clinicopathological parameters in Nigerian and UK tumours expressing KI-67.

VariablesKI-67 positive expression
Nigeria (%)UK (%) 2 valueP value

Age (years)
 ≤50136 (62.4)62 (37.8)22.65<0.001
 >5082 (37.6)102 (62.2)
Menopausal
 Pre157 (72.0)60 (36.8)47.15<0.001
 Post 61 (28.0)103 (63.2)
Sizes (cm)
 ≤218 (8.3)73 (44.5)67.79<0.001
 >2200 (91.7)91 (55.5)
Lymph node involvement
 Negative 16 (7.3)97 (59.1)120.58<0.001
 Positive 202 (92.7)67 (40.9)
Vascular invasion
 Negative 51 (23.4)86 (52.4)34.32<0.001
 Positive 167 (76.6)78 (47.6)
Tumour type
 Typical medullary3 (1.4)1 (0.6)43.10<0.001
 Atypical medullary4 (1.8)7 (4.3)
 Tubular 1 (0.5)0 (0.0)
 Lobular 3 (1.4)8 (4.9)
 Ductal NST189 (86.7)105 (64.8)
 Mucinous4 (1.8)0 (0.0)
 Tubulolobular 0 (0.0)7 (4.3)
 Mixed NST14 (6.4)30 (18.5)
 Others 0 (0.0)2 (1.2)

NST: no special type. Others: metaplastic, spindle, and alveolar lobular histological type.