Table 2.
Summary of Nocturnal Period Analysis in Relation to Nocturnal Acid-breakthrough
| Parameters | NAB present (n = 42) | NAB absent (n = 16) | P-value |
|---|---|---|---|
| Nocturnal esophageal acidification (n [%]) | 17 (40.5) | 4 (25.0) | 0.365 |
| Nocturnal symptoms (n [%]) | 13 (31.0) | 6 (37.5) | 0.756 |
| Nocturnal mean esophageal pH | 6.2 (5.8–6.4) | 6.0 (5.5–6.5) | 0.560 |
| Nocturnal mean gastric pH | 2.8 (1.9–4.1) | 5.7 (4.6–6.8) | < 0.001 |
NAB, nocturnal acid-breakthrough.
All values are in median (inter-quartile range) unless otherwise specified.