Table 1 Epidemiological and clinical features of patients
Clinical features | Range | |
|---|---|---|
Age | 51.2 ± 13.5 | 18–72 |
BMI | 29.5 ± 6.1 | 20–42 |
Gender (F/M) | 17/20 | – |
Gastrointestinal endoscopy | N = 16 | |
Normal | 1 (6) | – |
Esophagitis | 2 (13) | – |
Hiatal hernia | 14 (88) | – |
LES insufficiency | 15 (94) | – |
Gastritis | 0 (0) | – |
Oropharyngeal pH study (m ± SD) | ||
Ryan score (N < 6.8) | 7.2 ± 9.0 | |
Number of events pH < 6.5* | 13.5 ± 7.3 | 0–33 |
Supine time of events pH < 6.5 | 71.4 ± 32.5 | 0–100 |
Upright time of events pH < 6.5 | 48.4 ± 28.8 | 0.86.8 |
Number of events pH < 6.0 | 11.0 ± 7.9 | 0–27 |
Supine time of events pH < 6.0 | 48.2 ± 35.0 | 0–97.8 |
Upright time of events pH < 6.0 | 18.3 ± 17.6 | 0–52.0 |
Number of events pH < 5.5 | 5.6 ± 6.1 | 0–18 |
Supine time of events pH < 5.5 | 23.0 ± 25.8 | 0–89.6 |
Upright time of events pH < 5.5 | 4.3 ± 6.4 | 0–22.1 |
Number of events pH < 5.0 | 2.2 ± 3.0 | 0–9 |
Supine time of events pH < 5.0 | 8.5 ± 13.5 | 0–64.2 |
Upright time of events pH < 5.0 | 1.2 ± 2.0 | 0–7.5 |
Pepsin findings | ||
Pepsin saliva concentrations (ng/mL) | ||
Morning (m ± SD) | 61.1 ± 80.5 | 0–302 |
Evening (m ± SD) | 82.4 ± 95.3 | 0–375 |
Abnormal pepsin levels | ||
Morning | 14 (38) | – |
Evening | 20 (54) | – |
At least one abnormal measure | 27 (73) | – |