Table 3.
Mean, standard deviation and coefficient of variation (%CV) for methadone (MTD) and 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine (EDDP) concentrations in the umbilical cord closest to the placenta (UC-placenta) and closest to the fetus (UC-fetus) in 7 participants.
| Subject | Analyte | UC-placenta (ng/g) | UC-fetus (ng/g) | Mean±SD | %CV (n=2,%) |
|---|---|---|---|---|---|
| 1 | MTD | 24.0 | 35.3 | 29.7±8.0 | 27.0 |
| EDDP | 10.3 | 6.5 | 8.2±2.6 | 31.3 | |
| 2 | MTD | 127.8 | 133.3 | 130.6±3.9 | 3.0 |
| EDDP | 75.2 | 107.3 | 89.5±22.3 | 24.9 | |
| 3 | MTD | 87.7 | 114.5 | 101.1±18.9 | 18.7 |
| EDDP | 67.7 | 77.5 | 71.2±6.8 | 9.6 | |
| 4 | MTD | 52.7 | 54.4 | 53.5±1.2 | 2.2 |
| EDDP | 57.9 | 49.8 | 52.8±5.6 | 10.7 | |
| 10 | MTD | 174.1 | 127.9 | 151.0±32.6 | 21.6 |
| EDDP | 62.2 | 49.0 | 54.5±9.1 | 16.8 | |
| 11 | MTD | 96.3 | 120.9 | 108.6±17.4 | 16.0 |
| EDDP | 49.7 | 40.9 | 44.4±6.1 | 13.7 |