Mammographic density does not correlate with Ki-67 expression or cytomorphology in benign breast cells obtained by random periareolar fine needle aspiration from women at high risk for breast cancer

Table 2 Correlation of Ki-67 and mammographic density with cytomorphology

Variable	Number (%)	Ki-67 (median [interquartile range])	P	Mammographic density (median [interquartile range])	P
Cytomorphology
No atypia	226 (65%)	1.2 (0.2–3.6)	<0.001	37 (20–54)	0.81
Hyperplasia with atypia	118 (35%)	3.6 (1.4–5.8)		37 (22–55)
Cytomorphology (Masood score)
11	11 (3%)	0.6 (0–1.8)	0.001^a, 0.001^b	37 (21–58)
12	54 (16%)				0.92^c
13	64 (19%)	1.6 (0.4–4.2)		37 (20–53)
14	106 (31%)
15	95 (28%)	3.4 (1.4–5.4)		38 (22–55)
≥16	14 (4%)

^aMasood score 11/12 versus 13/14. ^bMasood score 13/14 versus 15/16. ^cMasood score 11/12 versus 15/16.

ISSN: 1465-542X