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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