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Table 2

Distribution of morphology, BRCA1 mutation status in breast cancer patients <45 years of age

Genetic status	ER− & TD3 (%)	Other pathology (%)	Total	P	OR (95% CI)^a
BRCA1 mutations	6 (25)	2 (5.6)	8
No BRCA1 mutation	18 (75)	34 (94.4)	52
Total	24	36	60	0.05	5.7 (1.0–32.0)

Genetic status	ER− & TD3 (%)	Other pathology (%)	Total	P	OR (95% CI)^a
BRCA1 mutations	6 (25)	2 (5.6)	8
No BRCA1 mutation	18 (75)	34 (94.4)	52
Total	24	36	60	0.05	5.7 (1.0–32.0)

^a

OR, odds ratio; CI, confidence interval.