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Table 1 Genotype frequencies and linear regression analysis of the SNPs in TP53 and hCAD genes

From: Age at onset of Huntington disease is not modulated by the R72P variation in TP53 and the R196K variation in the gene coding for the human caspase activated DNase (hCAD)

Gene

Genotypes

Number (%)

Gene (polymorphism)

R2

ΔR2

Unexplained variance (%)

p value

  

HD patients

Controls

     

TP53

GG

89 (53)

86 (51)

HD CAG

.308

-

  
 

CG

69 (41)

69 (41)

     
 

CC

9 (5)

13 (8)

HD CAG +

    
    

TP53 (R72P)

.314

.006

0.9

.130

hCAD

GG

141 (84)

      
 

AG

23 (14)

 

HD CAG +

    
 

AA

3 (2)

 

hCAD (R196K)

.305

.003

0.4

.590