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Table 1 Age characteristics of participants (years, mean ± SD)

From: MTHFR C677T genetic polymorphism in combination with serum vitamin B2, B12 and aberrant DNA methylation of P16 and P53 genes in esophageal squamous cell carcinoma and esophageal precancerous lesions: a case–control study

CategoryControl (n = 200)EPL (n = 200)ESCC (n = 200)p value
Age range43–7645–7745–77 
Male62.89 ± 5.1061.26 ± 6.8262.57 ± 6.650.133
Female62.46 ± 5.6861.31 ± 6.3861.94 ± 6.340.439
Total62.69 ± 5.3761.29 ± 6.6062.28 ± 6.490.066
  1. SD Standard deviation