Table 2. Meta-regression (weighted by total sample size of studies).

	BRCA		BRCA1		BRCA2
	β	p-value	β	p-value	β	p-value
Age	-0.39	0.15	-0.45	0.23	0.45	0.38
ER expression	-0.13	0.65	-0.75	0.02	-0.32	0.54
PgR expression	0.25	0.40	0.02	0.97	0.58	0.31

ER, estrogen receptor; PgR, progesterone receptor