Table 8. Summary and comparison of YIU nicotine and NICEq a .
| Change from baseline |
||||||
|---|---|---|---|---|---|---|
| Marker | Time point | N | Nicotine (mg/day) | Mean (95% CI) | Percent | Percent uptake b |
| YIU nicotine | Week 0 | 29 | 34.0 | – | – | – |
| Week 12 | 29 | 25.0 | −9.0 (−13.2, −4.9) | −26.6 | – | |
| Week 24 | 26 | 23.4 | −10.6 (−14.9, −6.3) | −31.2 | – | |
| NICEq | Week 0 | 33 | 24.4 | – | – | 71.7 |
| Week 12 | 33 | 17.3 | −7.1 (−9.1, −5.1) | −29.2 | 69.1 | |
| Week 24 | 32 | 17.3 | −7.1 (−9.0, −5.2) | −29.1 | 73.9 | |
YIU, yield-in-use; NICEq, nicotine equivalents.
a
Ultra-low machine yield tobacco-burning cigarette group only.
b
(NICEq/YIU daily nicotine) × 100.