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Plasma Protein-Bound Thiocyanate Concentrations Found for Each Group of Smokers (Grouped by Number of Cigarettes per Day)
| Number of cigarettes per day | N | [SCN]bound (μM) |
|---|---|---|
| ≥25 | 5 | 1.07 ± 0.35 (SEM = 0.14) |
| 20–24 | 4 | 1.58 ± 0.62 (SEM = 0.31) |
| 15–19 | 8 | 1.37 ± 0.61 (SEM = 0.21) |
| 5–14 | 8 | 1.41 ± 0.42 (SEM = 0.15) |
