Symptom scoring used to assess the severity of reflux symptoms
| Heartburn severity visual analogue scale | 0=no discomfort |
| 10=incapacitating pain | |
| Heartburn frequency | 0=none |
| 1=occasional (<3/week) brief episodes controlled by antacids | |
| 2=frequent (3–5/week) | |
| 3=daily (6–7/week) | |
| Regurgitation symptom score | 0=none |
| 1=mild, occasional episodes, mostly postprandial and not predictable | |
| 2=moderate (3–5/week), frequent episodes, predictable by posture | |
| 3=severe (6–7/week), episodes interfering with work and social activities |