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 |