Table 4.
pH-impedance data of patients with nonerosive reflux disease, reflux esophagitis and esophageal atresia with gastroesophageal reflux disease
| Parameter |
NERD, |
RE, |
EA with GERD |
Kruskal-Wallis test |
| AM (95%CI) | AM (95%CI) | AM (95%CI) | P value | |
| AET (%) | 10.50 (8.05-12.95) | 10.06 (7.33-12.79) | 11.62 (7.53-15.7) | 0.776 |
| Longest acid exposure in min | 21.8425 (17.14 to 26.55) | 25.8560 (18.47 to 33.24) | 46.8 (28.39 to 65.26) | < 0.05 |
| Total number of RBM | 74.61 (63.37 to 85.85) | 82.28 (63.89 to 100.67) | 67.30 (55.28 to 79.32) | 0.697 |
| Total number of proximal reflux | 35.36 (20.76 to 29.97) | 32.91 (21.35 to 44.48) | 10.95 (6.23 to 15.66) | < 0.001 |
| Index of proximal reflux | 0.35 (0.29 to 0.4) | 0.37 (0.29 to 0.46) | 0.16 (0.1 to 0.22) | < 0.001 |
| Distal MNBI in kOhm | 2.25 (2.03 to 2.48) | 1.95 (1.64 to 2.27) | 1.44 (1.21 to 1.67) | < 0.001 |
AET: Acid exposure time; AM: Arithmetic mean; CI: Confidence interval; MNBI: Mean nocturnal baseline impedance; NERD: Nonerosive reflux disease; RBM: Retrograde bolus movements; RE: Reflux esophagitis.