Table 1.

Regression results for cancer incidence as a function of years of follow-up after serum draw used for 25(OH)D level measurement

Cancer	No. of studies	Zero year intercept (RR)	Slope of RR (per year)	R, adjusted r2, p
Breast	9	0.62	0.046	0.70, 0.41, 0.04
Colorectal	7	0.43	0.018	0.52, 0.12, 0.24
Prostate	11	1.11	−0.006	Not meaningful