Table 3.: Symptomatology Observed in Participants on Presentation

Symptom FEV1% N (%)* P-Value°
≤ 70 % > 70 %
Dyspnoea 95
(45)
817
(23.5)
<0.001
Cough 66
(31.3)
550
(15.8)
<0.001
Sputum 61
(28.9)
497
(14.3)
<0.001
Wheeze 33
(15.6)
226
(6.5)
<0.001
Chest pain 0
(0.0)
2
(0.1)
1.00

* FEV1% is the ratio of Forced Expiratory Volume (FEV1) to Forced Vital Capacity (FVC), For the sake of simplicity the data of only those subjects with positive symptomatology is shown.
° Pearson Chi Square test.