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Table 1 Descriptive table of demographic variables

From: Association of MTHFR C677T variant genotype with serum folate and Vit B12 in Iranian patients with colorectal cancer or adenomatous polyps

 

Control*

Case**

p-value

Agea

  < 45

229 (45.8%)

86 (20.5%)

 < 0.001

     ≥ 45

271 (54.2%)

333 (79.5%)

 

Sex

 Female

261 (52.2%)

200 (47.7%)

0.2

 Male

239 (47.8%)

219 (52.3%)

 

Addictionb

 No

387 (77.4%)

353 (84.2%)

0.0115

 Yes

113 (22.6%)

66 (15.8%)

 

Tumor location

 Colon

 

206 (49.2%)

 

 Rectosigmoid

 

213 (50.8%)

 
  1. *Number of controls: 500; **number of cases: 419; Chi-squared test was used to determine the p-value; aa cut off of 45 years old was determined for age according to American Cancer Society Guidelines and US Preventive Services Task Force Recommendation Statement [19, 20]; btype of addiction = smoking (cigarette, hookah, opium)
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BMC Medical Genomics

ISSN: 1755-8794

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