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Table 1 Demographic characteristics and DNA yields per specimen, corresponding to 2910 DNAs included in this study

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

 

Blood (8 ml max)

Saliva (2 ml max)

P-value

No. samples

566

2344

 

Age ± SD years

65 ± 12

65 ± 12

0.95

Female (%)

67.8

67.4

0.88

Mean ± SD for total DNA yield per specimen (μg)

106 ± 68

35 ± 36

P < 0.0001

Mean ± SD for DNA yield per ml of requested specimen (μg/ml)

13.2 ± 8.5

17.6 ± 17.8

P < 0.0001

  1. Specimen collection volume was up to 8 ml for blood and up to 2 ml for saliva