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Predicting unsuccessful treatment, defined as inability to achieve opioid abstinence in week 12 and at least 2 of the 3 previous weeks (N = 360)
| Initial use and final lack of success, n | Initial use and final success, n | Negative Predictive Value, % | 95% Confidence Interval | |
|---|---|---|---|---|
| Week 1 | 106 | 46 | 70% | 62%–77% |
| Weeks 1–2 | 80 | 15 | 84 | 77–92 |
|
| ||||
| Weeks 1–3 | 65 | 10 | 87 | 79–94 |
| Weeks 1–4 | 53 | 7 | 88 | 80–96 |
