Table 6. Potential qualitative prognostic factors for patients with esophagogastric junction outflow obstruction.

	Yes (mean ± SD)	Yes (n)	No (mean ± SD)	No (n)	P-value
Female	-2.4 ± 8.1	18	3.4 ± 11.8	5	0.403
Reflux/regurgitation	-2.0 ± 13.1	8	-0.7 ± 6.6	15	0.825
Chest pain	3.2 ± 6.7	6	-2.7 ± 9.5	17	0.256
Dysphagia	-2.3 ± 9.4	18	3.0 ± 7.3	5	0.363
Symptoms less than five years	-1.3 ± 9.5	13	-1.0 ± 9.0	10	1.000
Symptoms five to 10 years	-3.4 ± 8.6	5	-0.6 ± 9.4	18	0.587
Symptoms more than 10 years	1.4 ± 9.7	5	-1.9 ± 9.1	18	0.587
Liquid delay on barium swallow	0.5 ± 0.7	2	-1.9 ± 10.5	11	0.641
Tablet delay on barium swallow	-3.0 ± 9.5	3	-0.3 ± 3.1	7	0.833