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Table 4 Genotype distribution and allele frequency of the hexanucleotide repeat polymorphism in the SMPD1 gene in low HDL-C and control subjects

From: Sphingomyelin phosphodiesterase-1 (SMPD1) coding variants do not contribute to low levels of high-density lipoprotein cholesterol

Genotype or allele

Control subjects (%)

Low HDL-C subjects (%)

p

5/5

0.4

0

0.527

5/6

6.3

2.6

 

5/7

5.4

7.0

 

6/6

20.3

25.5

 

6/7

45.6

37.7

 

7/7

20.3

26.3

 

7/8

0.4

0

 

7/9

0.9

0.9

 

7/10

0.4

0

 

5

6.3

4.8

0.619

6

46.2

45.6

 

7

46.6

49.1

 

8

0.2

0

 

9

0.5

0.5

 

10

0.2

0