Table 1.

Subject numbers (top), ages (middle), and durations of medication use (bottom) for each entire subject group and also for each subject group subdivided according to the presence or absence of PVDs For the ages and durations of use, non-parenthetical values are means and parenthetical values are standard deviations. Ages are given in years, and durations of use are given in months

		NUMBERS OF SUBJECTS
		All	no PVD	PVD
GROUP	Anastrozole	27	13	14
	Control	40	23	17
	Tamoxifen	25	19	6
		AGE: years; mean (SD)
		All	no PVD	PVD
GROUP	Anastrozole	57.8 (6.9)	58.7 (6.4)	56.5 (7.4)
	Control	58.5 (5.7)	58.7 (6.8)	58.2 (3.6)
	Tamoxifen	55.6 (5.6)	55.4 (6.1)	55.6 (2.8)
DURATION OF MEDICATION USE: months; mean (SD)
		All	no PVD	PVD
GROUP	Anastrozole	18.1 (11.4)	18.5 (12.5)	17.8 (10.4)
	Control	NA	NA	NA
	Tamoxifen	26.2 (13.9)	22.0 (10.6)	39.5 (15.9)