Figure 3From: Online follow-up of individuals with gastroesophageal reflux disease using a patient-reported outcomes instrument: results of an observational study Symptoms during follow-up in PPI users. (White rectangle) Maximal 1 day per week symptoms**; i.e. “symptom improvement”. (Black rectangle) More than 1 day per week symptoms, i.e. Presence of GERD symptoms, or “persistent GERD symptoms”. (Grey rectangle) Relapse of symptoms. NS = not significant. *P < 0.05. **See method section for definitions.Back to article page