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Summary of monitoring results of nicotine metabolites in 26 infant samples.
| Hair | Nails | |||
|---|---|---|---|---|
| COT | 3-HCOT | COT | 3-HCOT | |
| Number of detected samples | 10 | 2 | 8 | 2 |
| Median concentration (pg/mg) | 37.6 | 182.9 | 13.7 | 10.6 |
| Interquartile range (pg/mg) | 1147.0 (10.2–1157.2) |
320.8 (22.4–343.3) |
11.4 (10.0–21.4) |
0.8 (10.2–10.9) |
