Table 2.

Distribution of VDR polymorphisms among patients with a stress fracture and controls^#

	Patients*	Controls*	aOR†	95% CI	p-Value
FokI polymorphism
Genotype
FF	10 (31.2)	20 (62.5)	1.0
Ff	18 (56.2)	11 (34.4)	3.7	1.2–11.6	0.028
ff	4 (12.6)	1 (3.1)	10.2	1.0–88.7	0.047
Ff or ff	22 (68.8)	12 (37.5)	4.1	1.3–12.7	0.014
Allele
F	38 (59.4)	51 (79.7)
f	26 (40.6)	13 (20.3)	1.0		0.017
			2.8	1.2–6.3
BsmI polymorphism
Genotype
BB	8 (25.0)	4 (12.5)	8.8	1.1–68.6	0.039
Bb	22 (68.8)	19 (59.5)	4.6	0.8–26.4	0.085
bb	2 (6.2)	9 (28.1)	1.0
BB or Bb	30 (93.8)	23 (71.9)	5.3	1.0–29.4	0.050
Allele
B	38 (59.4)	27 (42.2)		1.0–4.4	0.051
b	26 (40.6)	37 (57.8)	2.2
			1.0
TaqI polymorphism
Genotype
TT	9 (28.1)	11 (34.4)	1.0
Tt	18 (56.3)	18 (56.3)	1.1	0.3–3.7	0.846
tt	5 (15.6)	3 (9.4)	4.5	0.6–33.5	0.138
Tt or tt	23 (71.9)	21 (65.6)	1.4	0.4–4.4	0.577
Allele
T	36 (56.3)	40 (62.5)	1.0
t	28 (43.8)	24 (37.5)	1.7	0.8–3.5	0.199
ApaI polymorphism
Genotype
AA	9 (28.1)	8 (25.0)	1.0
Aa	10 (31.3)	12 (37.5)	0.5	0.1–2.1	0.355
aa	13 (40.6)	12 (37.5)	0.7	0.2–2.7	0.598
Aa or aal	23 (71.9)	24 (75.0)	0.6	0.1–2.1	0.425
Allele
A	28 (43.8)	28 (43.8)	1.0
a	36 (56.2)	36 (56.2)	0.9	0.4–1.8	0.747

^#Statistical significance for differences between patients and controls in genotypes frequencies (p=0.033, p=0.050, p=0.705, and p=0.869), f-, B-, t- and a-containing genotypes frequencies (p=0.012, p=0.020, p=0.590, and p=0.777) and allelic frequencies (p=0.013, p=0.052, p=0.472, and p=1.000) of FokI, BsmI, TaqI, and ApaI polymorphisms, respectively

^*Data given are number of subjects and percentage (%)

^†Adjusted for age, BMI, smoking, alcohol, and calcium intake

aOR: adjusted odds ratio; CI: confidence interval