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Table 4 Association between vitamin D deficiency and host genotype, stratified by vitamin D status

From: Vitamin D deficiency associates with susceptibility to tuberculosis in Pakistan, but polymorphisms in VDR, DBP and CYP2R1 do not

SNP, gene

Genotype

Serum 25(OH) D ≤20 nmol/l

Serum 25(OH) D >20 nmol/l

  
  

TB cases

Controls

OR(95 % CI)

P

TB cases

Control

OR(95 % CI)

P

Adjusted ratio of odds ratiosa

P interaction

rs7312236, VDR

AA

30/102(29 %)

12/24(50 %)

Ref

-

54/128(42 %)

30/76(40 %)

Ref

-

Ref

-

AG/GG

72/102(71 %)

12/24(50 %)

2.40(0.96-5.94)

0.054

74/128(58 %)

46/76(60 %)

0.89(0.50-1.59)

0.70

1.65(0.59-4.58)

0.33

rs154410, VDR

CC

16/105(15 %)

8/25(32 %)

Ref

-

37/130(29 %)

21/81(26 %)

Ref

 

Ref

-

CT/TT

89/105(85 %)

17/25(68 %)

2.61(0.96-7.07)

0.052

93/130(71 %)

60/81(74 %)

0.88(0.47-1.64)

0.68

2.16(0.69-6.75)

0.18

rs228570, VDR

GG

60/105(57 %)

13/25(52 %)

Ref

-

77/130(59 %)

55/82(67 %)

Ref

 

Ref

-

GA/AA

45/105(43 %)

12/25(48 %)

0.81(0.33-1.94)

0.64

53/130(41 %)

27/82(33 %)

1.40(0.78-2.5)

0.25

0.48(0.17-1.29)

0.14

rs10500804, CYP2R1

GG

27/102(26 %)

6/23(26 %)

Ref

-

32/129(25 %)

16/80(20 %)

Ref

 

Ref

-

GT/TT

75/102(74 %)

17/23(74 %)

0.98(0.35-2.74)

0.97

97/129(75 %)

64/80(80 %)

0.75(0.38-1.49)

0.42

1.51(0.47-4.8)

0.48

rs2060793, CYP2R1

GG

48/104(46 %)

11/22(50 %)

Ref

-

64/124(52 %)

40/79(51 %)

Ref

 

Ref

-

AG/AA

56/104(54 %)

11/22(50 %)

1.16(0.46-2.92)

0.74

60/124(48 %)

39/79(49 %)

0.96(0.54-1.69)

0.89

1.02(0.37-2.78)

0.96

rs10766197, CYP2R1

AA

23/104(22 %)

4/23(17 %)

Ref

-

29/128(23 %)

15/81(19 %)

Ref

 

Ref

-

AG/GG

81/104(78 %)

19/23(83 %)

0.74(0.22-2.39)

0.60

99/128(77 %)

66/81(81 %)

0.77(0.38-1.55)

0.47

1.25(0.35-4.45)

0.72

rs7041, DBP

AA

27/104(52 %)

4/23(43.5 %)

Ref

-

26/133(20 %)

19/74(47 %)

Ref

 

Ref

-

AC/CC

77/10(35 %)

19/23(43.5 %)

0.60(0.18-1.9)

0.39

107/133(80 %)

55/74(45 %)

1.42(0.72-2.79)

0.30

1.15(0.34-3.88)

0.81

rs4588, DBP

GG

55/105(52 %)

10/24(42 %)

Ref

-

68/135(50 %)

38/76(50 %)

Ref

-

Ref

-

GT/TT

50/105(48 %)

14/24(58 %)

0.64(0.26-1.59)

0.34

67/135(50 %)

38/76(50 %)

0.98(0.56-1.72)

0.95

0.93(0.35-2.48)

0.89

  1. aAdjusted for monthly income and vitamin D status, SNP single nucleotide polymorphism, Ref Referent category; VDR, Vitamin D receptor; CYP2R1, Vitamin D 25-hydroxylase; DBP, Vitamin D binding protein. The total number of samples is less than 260 and 112 in cases and controls respectively due to failed genotyping for some samples