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Table 1 Quantity and purity of DNA from sponge-tipped and dry-flocked swabs

From: Evaluation of buccal swabs for pharmacogenetics

Swab type

Yield (µg)

Purity (ODA260/A280)

Mean

SD

Min

Max

Mean

SD

Min

Max

Sponge-tipped swabs (n = 31)

1.91

1.44

0.26

5.57

1.85

0.39

0.65

2.43

Dry-flocked swabs (n = 31)

0.26

0.34

0.06

1.46

1.72

0.78

0.14

3.10

Significance

p-value = 4.4−7

p-value = 0.4