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Rate of Negative Symptoms Improvement From Baseline Over Time
| Measurement points | Reseveratrol (n = 26) | Placebo (n = 26) | ||||||
|---|---|---|---|---|---|---|---|---|
| Paired differences | ||||||||
| Mean | SD | t | P | Mean | SD | t | P | |
| Week 2 | 1.46 | 1.58 | 4.71 | .000 | 1.07 | 0.39 | 14.00 | .000 |
| Week 4 | 3.73 | 1.84 | 10.31 | .000 | 2.31 | 0.84 | 14.05 | .000 |
| Week 6 | 5.11 | 2.06 | 12.63 | .000 | 3.15 | 1.05 | 15.36 | .000 |
| Week 8 | 6.42 | 2.89 | 11.34 | .000 | 4.04 | 1.51 | 13.64 | .000 |
