Clinical features
| All controls | Volunteers | GERD score (0–1) | GERD score (2–3) | GERD score (4–5) | |
|---|---|---|---|---|---|
| GERD, gastro-oesophageal disease; F, female; M, male. | |||||
| Number | 71 | 23 | 23 | 30 | 12 |
| Age (years) | 23–81 (median, 60) | 24–79 (median, 52) | 34–76 (median, 56) | 28–70 (median, 51) | 35–75 (median, 62) |
| Sex | 9 F, 62 M | 9 F, 14 M | 1 F, 22 M | 1 F, 29 M | 12 M |