Basal-Like Phenotype in a Breast Carcinoma Case Series from Sudan: Prevalence and Clinical/Pathological Correlations

Table 4

Basal cytokeratins status according to patient’s age at disease diagnosis and to tumor size.

CK5/6 and/or CK17
	Positive	Negative	𝑡-test
Age (years)*
Mean ± SD^¶	49.8±15.8	51.2±14.1	(𝑡=0.57; 𝑃=.57; 95% CI −5.6–9.08)
Range	25–80	30–70
Mean tumor size (cm)^#
Mean ± SD	4.5±2.7	5.4±3.4	(𝑡=0.58;𝑃=.56; 95% CI −0.85 –1.55)
Range	1–15	1–14

* The mean age of this series was 51.2±14.3 years (range: 25–80 years), age was missing for 40 cases. ^¶SD: standard deviation; ^#the mean tumor size of this series was 4.7±2.8 cm (range: 1–15 cm), size was missing for 25 cases.