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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Positive BZD urine toxicology | 1 | Mean Difference (IV, Fixed, 95% CI) | Subtotals only | |
| 1.1 6 week follow‐up | 1 | 37 | Mean Difference (IV, Fixed, 95% CI) | ‐0.01 [‐0.04, 0.02] |
