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Table 4 Survival according to the individual genotypes

From: A retrospective comparative exploratory study on two Methylentetrahydrofolate Reductase (MTHFR) polymorphisms in esophagogastric cancer: the A1298C MTHFR polymorphism is an independent prognostic factor only in neoadjuvantly treated gastric cancer patients

  

n

MS (months)

p

HR (95% CI)

a: All patients

     

MTHFR C677T

CC

254

54.1

0.412

 
 

CT

262

82.7

 

0.88 (0.67-1.15)

 

TT

53

n.r.

 

0.75 (0.46-1.22)

 

CC

254

54.1

0.237

 
 

CT + TT

315

82.7

 

0.86 (0.66-1.11)

MTHFR A1298C

AA

244

82.7

0.036

 
 

AC

268

47.1

 

1.31 (1.0-1.72)

 

CC

54

74.2

 

0.77 (0.47-1.28)

 

AC

268

47.1

0.016

 
 

AA + CC

301

82.7

 

0.73 (0.56-0.94)

  

n

MS (months)

p

HR (95% CI)

b: Neoadjuvantly treated patients

     

MTHFR C677T

CC

161

55.4

0.745

 
 

CT

179

82.7

 

0.98 (0.7-1.38)

 

TT

29

n.r.

 

0.77 (0.4-1.51)

 

CC

161

55.4

0.77

 
 

CT + TT

208

82.7

 

0.95 (0.69-1.32)

MTHFR A1298C

AA

156

101.9

0.063

 
 

AC

179

47.1

 

1.43 (1.02-2.01)

 

CC

31

74.2

 

0.85 (0.44-1.67)

 

AC

179

47.1

0.02

 
 

AA + CC

190

101.9

 

0.68 (0.49-0.94)

  

n

MS (months)

p

HR (95% CI)

c: Primarily resected patients

     

MTHFR C677T

CC

93

54.1

0.295

 
 

CT

83

n.r.

 

0.72 (0.45-1.15)

 

TT

24

66.0

 

0.69 (0.34-1.4)

 

CC

93

54.1

0.119

 
 

CT + TT

107

66.0

  

MTHFR A1298C

AA

88

66.0

0.366

 
 

AC

89

47.6

 

0.16 (0.74-1.82)

 

CC

23

62.2

 

0.68 (0.31-1.46)

 

AC

89

47.6

0.295

 
 

AA + CC

111

66.0

 

0.79 (0.52-1.22)