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Table 3 Prevalence of TGF-β 1 and decorin haplotypes in subjects with and without COPD (GOLD stage II or higher; FEV1/VC<70%, FEV1 <80% predicted).

From: Decorin and TGF-β 1 polymorphisms and development of COPD in a general population

 

Carrier of Haplotype*

   

TGF-β 1

rs1800469

rs1982073

rs6957

 

No COPD N (%)

COPD N (%)

P value #

 

0

0

0

 

239 (23)

34 (22)

0.686

 

0

1

0

 

106 (11)

11 (7.6)

0.264

 

0

1

1

 

27 (3)

6 (4)

0.417

 

1

1

0

 

288 (29)

31 (20)

0.030

 

0

0

1

 

95 (9)

25 (16)

0.014

 

1

1

1

 

160 (16)

34 (22)

0.086

Decorin

rs3138241

rs516115

rs714212

rs11106030

No COPD N (%)

COPD N (%)

P value

 

0

0

0

0

1009 (93)

175 (92)

0.515

 

0

1

1

0

234 (22)

47 (27)

0.715

 

1

1

0

1

133 (12)

15 (9)

0.950

  1. Abbreviations: COPD, Chronic Obstructive Pulmonary Disease; FEV1, forced expiratory volume in 1 second; VC, vital capacity; TGF-β 1 , transforming growth factor-β1
  2. * 0 means wild-type; 1 means minor allele
  3. # P value of Chi-square test for difference in prevalence of haplotype between subjects with and without COPD