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. Author manuscript; available in PMC: 2011 May 2.
Published in final edited form as: Breast Cancer Res Treat. 2011 Mar 8;127(1):171–177. doi: 10.1007/s10549-011-1415-4

Table 3.

Change in baseline 25-OH vitamin D by supplementation amount

Supplementation amount N Δ P value
No supplementation 9 3.1
Low-dose supplementation 64 9.4 0.15
High-dose supplementation 53 24.3 <0.01

Adjusted for age at dx, month of serum test, race, and stage