Vitamin D receptor gene polymorphisms and colorectal cancer risk: A systematic meta-analysis

Table 3 The BsmI effect odds ratios stratified by anatomical site

Model	Colon cancer			Rectal cancer
	Total No. cases/controls	OR (95% CI)	P value1	Total No. cases/controls	OR (95% CI)	P value1
Codominant (BB vs bb)	1365/1581	0.80 (0.68-0.93)	0.004/0.21	659/790	0.92 (0.73-1.15)	0.46/0.90
Codominant (Bb vs bb)	2257/2438	0.99 (0.88-1.12)	0.92/0.95	1029/1240	0.94 (0.80-1.11)	0.48/0.21
Codominant (B vs b)	5328/5972	0.91 (0.84-0.98)	0.01/0.25	2440/2966	0.95 (0.85-1.06)	0.38/0.99
Dominant (BB + Bb vs bb)	2664/2986	0.94 (0.84-1.05)	0.25/0.65	1220/1483	0.94 (0.77-1.16)	0.59/0.40
Recessive (BB vs Bb + bb)	2664/2986	0.80 (0.69-0.92)	0.002/0.19	1220/1483	0.93 (0.80-1.09)	0.40/0.51

¹Test for overall effect and heterogeneity, respectively. OR: Odds ratios.