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. Author manuscript; available in PMC: 2014 May 29.
Published in final edited form as: Genet Mol Res. 2014 Jan 10;13(1):139–151. doi: 10.4238/2014.January.10.5

Table 1.

Sample demographics [the age (means ± SE, or median and range) of all samples and samples stratified with race is shown].

Total No. of samples analyzed N Age
Mean + SE (years) Median (years) Range (years)
All
 Cancers 164 63.707 ± 0.746 63.5 43–86
 Control 140 60.214 ± 1.344 64 17–81
Cancers
 Caucasian 84 59.750 ± 0.888 59.5 37–83
 African-American 80 67.862 ± 1.028 68 43–86
Normal
 Caucasian 78 57.244 ± 1.955 61 17–81
 African-American 62 63.952 ± 1.6 67 20–74

The χ2 with corresponding P values shows the comparison between race and disease status control and cancer: χ2 = 0.61, P = 0.73.