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Table 2 Frequency of C3435T and G2677T genotypes and allelic polymorphisms in KTRs (AR, non-AR groups) and controls

From: Multidrug resistant 1 (MDR1) C3435T and G2677T gene polymorphism: impact on the risk of acute rejection in pediatric kidney transplant recipients

 

All KTRs (n = 83)

AR group

(n = 36)

None AR group (n = 47)

Controls (n = 80)

AR vs. None AR

AR vs. Controls

None AR vs. Controls

N (%)

N (%)

N (%)

N (%)

OR

(95% CI)

P value

OR

(95% CI)

P value

OR

(95% CI)

P value

C3435T

Genotype

TT

22 (26.5)

3 (8.3)

19 (40.4)

24 (30)

Reference

-

Reference

-

Reference

-

CT

35 (42.2)

20 (55.6)

15 (31.9)

40 (50)

3.58

(1.64–7.80)

0.001

2.20

(1.08–4.46)

0.028

0.63

(0.37–1.06)

0.082

CC

26 (31.3)

13 (36.1)

13 (27.7)

16 (20)

2.99

(1.32–6.75)

0.008

2.98

(91.37–6.46)

0.006

1.02

(0.56–1.83)

0.957

Allele

T

79 (47.6)

26 (36.1)

53 (56.4)

88 (55)

Reference

-

Reference

-

Reference

-

C

87 (52.4)

46 (63.9)

41 (43.6)

72(45)

1.67

(1.13–2.46)

0.010

1.59

(1.13–2.24)

0.008

0.97

(0.70–1.32)

0.83

G2677T

Genotype

GG

23 (27.7

5 (13.9)

18 (38.3)

39 (48.8)

Reference

-

Reference

-

Reference

-

GT

37 (44.6

19 (52.8)

18 (38.3)

28 (35)

2.259 (1.12–4.555)

0.023

2.625 (1.43–4.817)

0.002

1.226 (0.743–2.021)

0.425

TT

23 (27.7)

12 (33.3)

11 (23.4)

13 (16.3)

2.306 (1.069–4.975)

0.033

3.181 (1.592–6.356)

0.001

1.455 (0.793–2.668)

0.226

Allele

G

83 (50)

29 (40.3)

54 (57.4)

106 (66.3)

Reference

-

Reference

-

Reference

-

T

83 (50)

43 (59.7)

40 (42.6)

54 (33.8)

1.541 (1.047–2.268)

0.028

1.91 (1.353–2.697)

< 0.001

1.261 (0.911–1.744)

0.162

  1. KTR; kidney transplant recipients, N; number, OR; odds ratio, CI; confidence interval, C; cytosine, T; thymine, G; guanine. Logistic regression analysis was used. AR; acute rejection; N; number, OR; odds ratio, CI; confidence interval, C; cytosine, T; thymine. Logistic regression analysis was used. Reference genotype and allele according to NCBI. P < 0.05 is considered significant; OR < 1 is considered protective; OR > 1 is considered risky