Breast Density and Breast Cancer Incidence in the Lebanese Population: Results from a Retrospective Multicenter Study

Table 3

Proportion of females in each age category for our study and the previous studies of Checka et al., Stomper et al., and Titus-Ernstoff et al.

Age category (years)	Current study		Checka et al. [19]		Stomper et al. [20]		Titus-Ernstoff et al. [21]
	<40	123	11.7%	249	3.8%	351	26.0%	16,739	12.5%
40–49	351	33.5%	1,675	25.5%	250	18.5%	38,384	28.7%
50–59	292	27.8%	2,192	33.2%	251	18.5%	35,134	26.3%
60–69	174	16.6%	1,639	24.8%	251	18.5%	30,127	22.5%
70–79	109	10.4%	840	12.7%	250	18.5%	133,88	10.0%
Total	1,049	100%	6,595	100%	1,353	100%	133,772	100%