1. P‐values for comparisons between groups.
| Outcome (20 weeks) | parametric | non‐parametric |
| NPI‐4 ITT | 0.18 | 0.74 |
| NPI‐4 LOCF | 0.13 | 0.048 |
| NPI‐4 OC | 0.003 | 0.005 |
| NPI‐10 ITT | 0.22 | 0.088 |
| NPI‐10 LOCF | 0.13 | 0.045 |
| NPI‐10 OC | 0.01 | 0.010 |
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