Table 2

Vitamin D receptor allele and phenotype frequencies

	Crohn's disease			Ulcerative colitis			Control
	n	f		n	f		n	f
Allele
A	193	0.55		171	0.54		97	0.48
a	155	0.45		145	0.46		105	0.52
T	276	0.56		197	0.62		208	0.63
t	214	0.44		119	0.38		120	0.37

Phenotype
A	136	0.78^2-150NS		128	0.81^2-150 NS		72	0.71
a	117	0.67^2-150NS		115	0.73^2-150 NS		76	0.75
T	192	0.78^2-150NS		139	0.88^2-150 NS		144	0.88
t	161	0.66^2-150NS		100	0.63^2-150 NS		100	0.61

↵2-150 Phenotype frequencies: individuals possessing one or more copies of the respective allele are compared against the number of individuals with no copy of that allele (that is,A vnon-A).