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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 number of patients worsened or not improved on four item language scale at end of trial | 1 | 44 | Peto Odds Ratio (Peto, Fixed, 95% CI) | 1.99 [0.57, 7.00] |
| 2 number of patients died/experienced an adverse effect | 1 | 59 | Peto Odds Ratio (Peto, Fixed, 95% CI) | 1.62 [0.51, 5.18] |
