Table 1.

Summary of cases and controls and the 10K chip genotyping results

ESCC (n = 50)Controls (n = 50)
Risk factors
    Age (y), mean (SD)58.2 (8.2)57.8 (9.1)
    Family history of esophageal cancer (yes)0.500.14
    Smoking (yes)0.800.78
    Alcohol drinking (yes)0.380.14
    Eating pickled vegetables (yes)0.560.52
General results from the 10K SNP chip (%), mean (SD)
    Signal detection98.9 (2.0)99.0 (1.0)
    SNP call95.8 (0.9)95.8 (2.2)
    Genotype
        AA call34.7 (0.5)34.7 (0.5)
        AB call31.2 (0.7)31.0 (0.7)
        BB call34.2 (0.5)34.3 (0.4)