|  | Chronic cough | ||
---|---|---|---|---|
 | Healthy volunteers | All patients | Lymphocytes <10% | Lymphocytes >20% |
n | 10 | 20 | 10 | 10 |
Concomitant Conditions | Â | Â | Â | Â |
 PND | - | 6 | 3 | 3 |
 PND & Asthma | - | 1 | - | 1 |
 Reflux Disease | - | 3 | 1 | 2 |
 Reflux & EB | - | 1 | - | 1 |
 EB | - | 1 | 1 | - |
 TPO | - | 1 | 1 | - |
 No Trigger | - | 5 | 3 | 2 |
 Bronchiectasis | - | 1 | - | 1 |
 Spontaneous resolution | - | 1 | 1 | - |