Relationship between Mammographic Density and Age in the United Arab Emirates Population

Table 1

ACR type results from screening mammography.

ACR BI-RADS density	Number of women	Minimum age in years	Maximum age in years	5% trimmed mean age in years	SD in years
a	1604	40	94	55.9	9.7
b	2149	40	103	52.1	8.3
c	1055	40	78	48.4	6.3
d	103	40	68	45.6	4.8
Total	4911	40	103	52.6	8.9

ACR category a: predominantly fatty (low density); category b: scattered fibroglandular densities (average density); category c: heterogeneously dense (high density); category d: extremely dense (very high density).