Table 2 Saliva and saliva DNA quantity by COMPASS participant characteristics
From: Clinical trial participant characteristics and saliva and DNA metrics
Saliva Volume | DNA Yield UV | % Human DNA | |
|---|---|---|---|
N = 565 samples | N = 539 samples | N = 539 samples | |
Overall mean (SD) | 4.5 (1.1) | 155.2 (156.1) | 76.1 (17.1) |
Correlations | |||
Age | |||
R value | 0.02 | 0.05 | -0.10 |
P value | 0.684 | 0.270 | 0.027 |
CPD* | |||
R value | 0.10 | 0.03 | -0.02 |
P value | 0.016 | 0.448 | 0.719 |
Average by category | |||
Gender | |||
Female | 4.5 (1.1) | 138.5 (132.4) | 77.6 (16.8) |
Male | 4.7 (1.1) | 190.0 (192.3) | 73.2 (17.2) |
P value | 0.019 | 0.002 | 0.005 |
Ethnicity | |||
Other | 4.3 (1.0) | 122.0 (128.5) | 76.7 (18.8) |
NHC† | 4.6 (1.1) | 159.3 (159.0) | 76.0 (16.8) |
P value | 0.042 | 0.040 | 0.758 |