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Table 4 Association analyses of extremely discordant sibling pairs.

From: FTO gene SNPs associated with extreme obesity in cases, controls and extremely discordant sister pairs

Obese

Thin

Z

P-value

rs1421085

TT

TC

CC

  

TT

15

6

0

2.14

p = 0.032

TC

14

32

2

  

CC

2

7

8

  

rs17817449

TT

TG

GG

  

TT

18

6

0

3.57

p = 3.6 × 10-4

TG

13

34

1

  

GG

2

11

8

  

rs9939609

TT

TA

AA

  

TT

18

7

0

3.09

p = 0.002

TA

14

30

1

  

AA

2

12

8