Table 2.

Univariate Analyses for Findings of Microcalcifications

	50–74 years old N = 2011			40–49 years old N = 1219			<40 years old N = 415
	n	OR	95% CI	n	OR	95% CI	n	OR	95% CI
Microcalcifications	67	1 [reference]		53	1.319	0.913–1.725	20	1.469	0.881–2.057
Small round and grouped	24	1 [reference]		14	0.961	0.496–1.428	3	0.603	0.181–1.025
Small round and segmental	29	1 [reference]		16	1.394	0.714–2.074	7	1.799	0.751–2.846

OR, odds ratio; CI, confidence interval