Results of 24 hour pH monitoring
| Pretreatment | 6 months | 12 months | Prev 6 months | Prev 12 months | |
|---|---|---|---|---|---|
| Data are expressed as median (interquartile range). | |||||
| Oesophageal acid exposure (%) | |||||
| Total 24 h | 10.6 (7.8–13.0) | 6.8 (3.1–9.1) | 6.3 (4.7–10.9) | p<0.01 | p<0.05 |
| Upright | 10.0 (6.3–14.5) | 6.5 (3.8–11.5) | 8.7 (5.6–12.3) | NS | NS |
| Supine | 7.4 (1.1–16.9) | 0.6 (0–6.9) | 0.6 (0–7.6) | p<0.01 | p<0.05 |
| Reflux events (No) | |||||
| Total 24 h | 66.5 (51.8–76.5) | 41.0 (29.3–61.5) | 62 (32.5–56.5) | p<0.01 | NS |
| Upright | 62.0 (43.0–68.3) | 34.5 (25.0–61.0) | 47.0 (28.5–70) | p=0.01 | NS |
| Supine | 6.0 (2.8–12.0) | 1.0 (0–3.3) | 4.0 (1.0–6.0) | p<0.05 | p<0.05 |
| Reflux events >5 min (No/24 h) | 6.5 (4.0–11.5) | 4.5 (2.0–10.0) | 4.0 (2.0–8.0) | NS | NS |
| DeMeester score | 38.8 (28.2–53.3) | 22.7 (11.9–33.6) | 24.1 (17.9–34.4) | p<0.01 | p<0.05 |