Symptoms Total (N=31) PR-10 positive (N=12) PR-10 negative (N=19) P value
Dysphagia 18 (58%) 10 (83%) 8 (42%) 0.032
Food impaction 15 (48%) 8 (67%)      7 (37%)      n.s.
Heartburn 12 (39%) 5 (42%) 7 (37%)      n.s.
Dyspepsia 8 (25%) 5 (42%) 3 (16%) n.s.
Nausea and vomiting 4 (13%) 1 (8%) 3 (16%) n.s.
More than one 22 (71%) 11 (92%) 11 (58%) n.s.
Table 2: Presenting symptoms.
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