Comorbid associations among various forms of GORD
| Condition | Oesophagitis | Oesophageal ulcer | Oesophageal stricture | Strictured hiatus hernia | Hiatus hernia | Pyrosis |
| Oesophagitis | ||||||
| Oesophageal ulcer | 7850 | |||||
| Oesophageal stricture | 8498 | 2900 | ||||
| Strictured hiatus hernia | 364 | 61 | 164 | |||
| Hiatus hernia | 37013 | 5437 | 6253 | 400 | ||
| Pyrosis | 443 | 32 | 37 | 3 | 335 | |
| Total | 108397 | 16011 | 22507 | 1049 | 104356 | 1773 |