Table 5.
Urinary tDON and tDOM-1 by gender and age groups.
| Compound | Positive | Mean (± SD) | Median | Range | |
|---|---|---|---|---|---|
| n (%) | ng mL−1 | ng mL−1 | ng mL−1 | ||
| Gender | Male, n = 56 | ||||
| tDON | 56 (100%) | 38.8 (±32.2) | 29.8 | 3.11–132 | |
| fDON | 49 (87.5%) | 5.96 (±6.03) | 4.25 | ND–25.2 | |
| tDOM-1 | 14 (25.0%) | 0.37 (±1.08) | 0.05 | ND–6.43 | |
| Female, n = 95 | |||||
| tDON | 95 (100%) | 52.8 (±56.5) | 33.4 | 1.36–247 | |
| fDON | 91 (95.8%) | 9.60 (±9.78) | 6.47 | ND–47.0 | |
| tDOM-1 | 32 (33.7%) | 0.22 (±0.54) | 0.05 | ND–3.49 | |
| Age | Age ≤ 12, n = 33 | ||||
| tDON | 33 (100%) | 63.2 (±52.6) | 44.6 | 7.42–224 | |
| fDON | 32 (97.0%) | 11.3 (±10.5) | 7.79 | ND–47.0 | |
| tDOM-1 | 12 (36.4%) | 0.16 (±0.25) | 0.05 | ND–1.05 | |
| 12 < Age ≤ 18, n = 14 | |||||
| tDON | 14 (100%) | 73.1 (±61.0) | 52.4 | 11.4–240 | |
| fDON | 14 (100%) | 13.0 (±10.8) | 9.85 | 1.00–37.4 | |
| tDOM-1 | 5 (35.7%) | 0.11 (±0.10) | 0.05 | ND–0.35 | |
| 18 < Age ≤ 65, n = 68 | |||||
| tDON | 68 (100%) | 45.1 (±44.5) | 29.8 | 3.31–213 | |
| fDON | 65 (95.6%) | 8.05 (±7.38) | 5.79 | ND–31.1 | |
| tDOM-1 | 21 (30.9%) | 0.36 (±1.03) | 0.05 | ND–6.43 | |
| Age > 65, n = 36 | |||||
| tDON | 36 (100%) | 27.8 (±42.2) | 10.98 | 1.36–247 | |
| fDON | 29 (80.6%) | 3.96 (±6.49) | 2.48 | ND–37.0 | |
| tDOM-1 | 8 (22.2%) | 0.40 (±0.74) | 0.05 | ND–2.91 | |
ND, level below LOD; positive samples refer to the levels higher than LOD.
When calculating the mean and median values, level below LOQ was set to half of the LOQ, and level below LOD was set to half of the LOD.