Table 2.

Relative change of patients' bone mineral density from baseline

	Exemestane		Anastrozole		p value*
	N	Mean % change (95% CI)	N	Mean % change (95% CI)
At 2 years
Hip
Baseline T-score ≥−2.0	83	−1.93% (−2.93 to −0.93)	80	−2.71% (−4.32 to −1.11)	0.10
Baseline T-score <−2.0	61	2.09% (−1.45 to 5.63)	55	0.00% (−3.67 to 3.66)	0.28
Lumbar spine
Baseline T-score ≥−2.0	87	−0.92% (−2.35 to 0.50)	77	−2.39% (−3.77 to −1.01)	0.08
Baseline T-score <−2.0	63	2.11% (−0.84 to 5.06)	57	3.72% (1.54 to 5.89)	0.26
At 1 year
Hip
Baseline T-score ≥−2.0	99	−0.62% (−1.48 to 0.23)	114	−1.66% (−2.73 to −0.59)	0.01
Baseline T-score <−2.0	64	0.61% (−1.81 to 3.04)	66	0.83% (−0.16 to 1.82)	0.23
Lumbar spine
Baseline T-score ≥−2.0	102	−0.59% (−1.73 to 0.54)	116	−1.88% (−3.06 to −0.70)	0.32
Baseline T-score <−2.0	69	3.75% (2.13 to 5.36)	66	2.60% (1.24 to 3.96)	0.67

^*Based on two-sided Student's t test of individual patient change.