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Table 2 Characteristics of the 94 blood and saliva DNA samples selected for genotyping

From: Saliva DNA quality and genotyping efficiency in a predominantly elderly population

Sample source Mean DNA conc (ng/μl) Mean ± SD 260/280 Mean ± SD 260/230
Blood (n = 50) 175.3 ± 163 1.91 ± 0.06 1.50 ± 0.57
Saliva (n = 44) 78.4 ± 91.5 1.71 ± 0.13 1.00 ± 0.30
P-value 0.0006 P < 0.0001 P < 0.0001