Table 2.

Overall scores for BIPQ, GIS, and HADS

	Before		After
	Median	IQR	Median	IQR	P-value
BIPQ	37.50	28.25–46.25	28.00	28.00–36.00	<0.001
GIS	18.00	13.00–21.25	14.00	12.00–16.00	0.008
HADS Anxiety score	6.00	4.00–8.25	6.00	3.00–9.00	0.361
HADS Depression score	5.00	3.00–7.00	4.00	2.00–6.00	0.101

BIPQ = Brief Illness Perception Questionnaire. GIS = GORD Impact Scale. HADS = Hospital Anxeity and Depression Scale. NIQR = interquartile range.