Table 3 DNA yields from dried blood spot field samples before and after pre-amplification
Before pre-amplification | After pre-amplification | p-value | |
|---|---|---|---|
Samples with insufficient DNA signal (%) | 73 (86.9%) | 23 (27.3%) | <0.0005 |
Mean DNA concentration (ng/μL) in extracts | 0.0001712 | 0.1301491 | <0.0005 |
[95% CI] | [0.0001089-0.0002335] | [0.0864078-0.1738905] |