Table 2.

Comparison of the differences in centrosome amplification between benign breast lesions and breast carcinomas

	Cases with numerical centrosome amplification	Cases with structural centrosome amplification	Cells with numerical centrosome amplification (%)	Cells with structural centrosome amplification (%)
Benign tumor	23 (92)	3 (12)	2.77 ± 2.14 (2.40)	0.10 ± 0.29 (0.00)
Malignant tumor	75 (100)	69 (92)	4.86 ± 2.66 (4.50)	3.98 ± 3.21 (3.60)
P value	0.10	0.00	0.00	0.00a

Data presented as n (%) or mean ± standard deviation (median). ^aOwing to a skewed distribution, the Mann–Whitney U-test was applied.