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Table 2 Genotype frequencies in RA patients and controls

From: Polymorphisms in genes controlling inflammation and tissue repair in rheumatoid arthritis: a case control study

SNP

Genotype frequency

p trenda

SNP

Genotype frequency

p trenda

 

Controls

n (%)

RA patients

n (%)

  

Controls

n (%)

RA patients

n (%)

 

IL6-174

   

NOS2a 608

   

C/C

82 (17.9)

56 (16.7)

0.01

G/G

301 (65.2)

254 (68.6)

0.22

C/G

231 (50.3)

133 (39.7)

 

G/A

140 (30.3)

104 (28.1)

 

G/G

146 (31.8)

146 (43.6)

 

A/A

21 (4.5)

12 (3.2)

 

IL8 781

   

PARP 762

   

C/C

152 (32.9)

141 (37.5)

0.4

T/T

299 (66.6)

261 (70.7)

0.40

C/T

234 (50.6)

171 (45.5)

 

T/C

140 (31.2)

96 (26.0)

 

T/T

76 (16.5)

64 (17.0)

 

C/C

10 (2.2)

12 (3.3)

 

PAI1 4/5G

   

IL4-524

   

5G/5G

99 (21.4)

101 (27.7)

0.12

C/C

339 (73.7)

267 (71.8)

0.30

5G/4G

240 (51.9)

172 (47.1)

 

C/T

112 (24.3)

91 (24.5)

 

4G/4G

123 (26.6)

92 (25.2)

 

T/T

9 (2.0)

14 (3.8)

 

TNFA-863

   

C1INH 480

   

C/C

329 (71.4)

239 (64.8)

0.16

G/G

255 (55.4)

211 (58.3)

0.47

C/A

117 (25.4)

123 (33.3)

 

G/A

176 (38.3)

129 (35.6)

 

A/A

15 (3.3)

7 (1.9)

 

A/A

29 (6.3)

22 (6.1)

 

TNFA-857

   

Il10-1082

   

C/C

386 (84.5)

314 (86.5)

0.29

G/G

123 (26.8)

88 (24.7)

0.77

C/T

66 (14.4)

48 (13.2)

 

G/A

219 (47.7)

172 (48.3)

 

T/T

5 (1.1)

1 (0.3)

 

A/A

117 (25.5)

96 (27)

 

TNFA-376

   

IL10-819

   

G/G

446 (96.7)

371 (98.9)

0.04

C/C

283 (61.5)

233 (63.7)

0.99

G/A

15 (3.3)

4 (1.1)

 

C/T

145 (31.5)

100 (27.3)

 

A/A

   

T/T

32 (7.0)

33 (9.0)

 

TNFA-308

   

TLR4 299

   

G/G

300 (65.1)

248 (66.1)

0.60

A/A

373 (86.3)

315 (85.1)

0.62

G/A

147 (31.9)

119 (31.7)

 

A/G

58 (13.4)

54 (14.6)

 

A/A

14 (3.0)

8 (2.1)

 

G/G

1 (0.2)

1 (0.3)

 

TNFA-238

   

TLR4 399

   

G/G

415 (90.0)

359 (95.7)

0.002

C/C

378 (87.1)

314 (84.9)

0.42

G/A

46 (10.0)

16 (4.3)

 

C/T

54 (12.4)

55 (14.9)

 

A/A

   

T/T

2 (0.5)

1 (0.3)

 

IL1B-31

       

C/C

57 (12.5)

48 (12.8)

0.62

    

C/T

214 (46.9)

165 (44.0)

     

T/T

185 (40.6)

162 (43.2)

     
  1. a Cochrane-Armitage trend test for additive effects; p value represents analysis not corrected for multiple testing. When Bonferroni correction is applied (factor 20 for the number of SNPs (17) and tests (3)) only the TNFA-238 polymorphism remains significant (p = 0.04).