Table 3. EuroQoL 5-dimension index by recent treatments in chronic cough patients (n = 200).

Type of treatments	Treated with	Not been treated with	P value
Antihistamine	0.84 ± 0.12	0.81 ± 0.15	0.139
Codeine	0.81 ± 0.13	0.85 ± 0.14	0.036
Inhaled corticosteroid	0.83 ± 0.13	0.82 ± 0.14	0.569
Oral steroid	0.85 ± 0.15	0.82 ± 0.14	0.435
PPI	0.84 ± 0.10	0.82 ± 0.15	0.481
Neuromodulator	0.78 ± 0.13	0.84 ± 0.14	0.034

PPI, proton pump inhibitor.