Table A1.

Women With Breast Screening by Bisphosphonate Use and Year of Study

	Bisphosphonate Use by Type of Breast Screening (%)
	Mammogram		Breast Biopsy
	Bisphosphonate Use		Bisphosphonate Use
Year	No	Yes	P*	No	Yes	P*
1	61.6	71.8	< .001	2.9	2.3	.07
2	68.6	76.9	< .001	3.3	2.6	.03
3	70.1	77.1	< .001	3.1	3.1	.83
4	69.0	75.5	< .001	3.1	2.8	.28
5	69.9	74.3	< .001	3.3	2.8	.09
6	68.9	73.9	< .001	2.4	2.7	.35
7	67.1	70.0	.004	3.0	2.5	.12
8	65.2	63.0	.13	2.2	2.4	.76

^*P values are from χ² tests of association.