Table 1 The details of the cases used for analysis
| GERD-like symptoms | Total | |
|---|---|---|
| Total | 654 | 38,887 |
| Sex | ||
| Male | 363 | 23,669 |
| Female | 291 | 15,218 |
| Age | ||
| –9 | 0 | 40 |
| 10–19 | 1 | 86 |
| 20–29 | 3 | 215 |
| 30–39 | 11 | 748 |
| 40–49 | 39 | 1990 |
| 50–59 | 85 | 5115 |
| 60–69 | 204 | 11,399 |
| 70–79 | 213 | 13,178 |
| 80–89 | 87 | 5568 |
| 90– | 11 | 548 |