Table 6.

Comparison of Outcomes Based On the Status of Persistent or Resolved Gas-Bloat Syndrome from 6 Months to 1 Year

Variable	6-mo GBS persistent at 1 y, N = 17 (30.9%)	6-mo GBS resolved by 1 y, N = 38 (69.1%)	p Value
GERD-HRQL at 6 mo
Total score, median (IQR)	29 (14–31)	11 (8–21)	0.033
Heartburn item, median (IQR)	0 (1–2)	0 (0–2)	0.653
Regurgitation item, median (IQR)	2 (0–3)	0 (0–2)	0.226
Dysphagia item, median (IQR)	3 (2–5)	2 (0–3)	0.008
Gas-bloat item, median (IQR)	5 (4–5)	4 (4–5)	0.211
Freedom from proton pump inhibitor use, %	80	91.7	0.343
Patient satisfaction, %	53.3	84.2	0.032
GERD-HRQL at 1 y
Total score, median (IQR)	26 (15–36)	7 (4–17)	0.0007
Heartburn item, median (IQR)	1 (0–2)	0 (0–2)	0.168
Regurgitation item, median (IQR)	2 (0–4)	0 (0–1)	0.026
Dysphagia item, median (IQR)	3 (2–4)	1 (0–2)	0.002
Gas-bloat item, median (IQR)	4 (4–5)	2 (1–3)	<0.0001
Freedom from PPI use, %	69.2	96.9	0.020
Patient satisfaction, %	56.3	80	0.047
Simethicone use, %	52.9	39.5	0.367
pH normalization, %	75	80	0.681

GBS, gas-bloat syndrome; GERD-HRQL, GERD health-related quality of life; IQR, interquartile range.