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Table 1 Age of women in the study, according to case or control status

From: Tumour suppressor gene methylation and cervical cell folate concentration are determinants of high-risk human papillomavirus persistence: a nested case control study

 

Cases

Controls

 

n

age [y]

n

age [y]

Total cohort

482

30.05 ± 8.92

473

31.56 ± 9.49

Folate cohort

283

30.51 ± 9.46

273

30.10 ± 8.46

Methylation cohort

199

29.39 ± 8.08

200

33.56 ± 10.43

  1. Values are presented as means ± SD, for women in the total cohort, and the folate and methylation sub-groups, according to case or control status.