Table 1.

Demographics, clinical details and outcome of investigations performed in the 45 patients with chronic cough

	All patients	GERD symptoms
		Present	Absent
Subjects	45	25	20
Age (mean±SD)	54.5 ± 11.1	54.6 ± 12.8	54.4 ± 8.6
Gender, male (%)	7 (15.5)	3 (12.0)	4 (20.0)
Upper endoscopy positive (%)	7 (15.5)	3 (12.0)	4 (20.0)
pH-metry positive (%)	26 (57.8)	13 (52.0)	13 (65.0)
PPI test positive (%)	23 (51.1)	13 (52.0)	10 (50.0)

No statistical differences between the groups in any of the parameters.