Cough

Table 1 General data of chronic cough group and healthy control group

From: Changes in health-related quality of life and clinical implications in Chinese patients with chronic cough

Items	Chronic cough group	Healthy volunteers
Cases	110	90
Male/female	36/74	40/50
Ages (yr)	47 ± 14	47 ± 12
Cough duration (month, range)	9(2-360)	0
FEV₁(% predictive value)	95 ± 15	98 ± 12
FVC (% predictive value)	123 ± 16	120 ± 18
FEV₁/FVC (%)	81 ± 7	83 ± 9

FEV1: forced expiratory volume in one second; FVC: forced vital capacity.

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