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Proportion of cough severity VAS responders by PGIC group at Week 4.
| PGIC score category, n (%) | VAS score change of ⩾ 30 mm | |
|---|---|---|
| Responder (n = 88) |
Nonresponder (n = 147) |
|
| 1 or 2 | 57 (65) | 30 (20) |
| 3 | 23 (26) | 55 (37) |
| 4 | 8 (9) | 53 (36) |
| 5 | 0 | 5 (3) |
| 6 or 7 | 0 | 4 (3) |
PGIC, patient global impression of change; VAS, visual analog scale.
