Anxiety and depression cut-off score frequencies by group
| Cut-off values | Anxiety | Depression | ||||
| Refractory cough# | Explained cough¶ | Non-cough+ | Refractory cough# | Explained cough¶ | Non-cough+ | |
| 0–7 | 12 (48%) | 26 (62%) | 17 (77%) | 14 (56%) | 36 (86%) | 20 (91%) |
| 8–10, mild | 2 (8%) | 8 (19%) | 3 (14%) | 9 (36%) | 6 (14%) | 2 (9%) |
| 11–15, moderate | 10 (40%) | 6 (14%) | 2 (9%) | 1 (4%) | 0 | 0 |
| ≥16, severe | 1 (4%) | 2 (5%) | 0 | 1 (4%) | 0 | 0 |
#: n=25; ¶: n=42; +: n=22.