Research Article
Esophageal Impedance-pH Monitoring and Pharyngeal pH Monitoring in the Diagnosis of Extraesophageal Reflux in Children
Table 3
Predictive value and sensitivity of the Dx-pH system versus MII-pH.
| | Dx-pH vs. MII-pH (proximal GER) | Dx-pH vs. MII-pH (distal GER) | LPR vs. pH monitoring | | pH | PPV | Sensitivity | PPV | Sensitivity | PPV | Sensitivity | | Value (95% CI) (%) |
| | <4 | 8.13 (0.00-18.07) | 2.58 (0.00-6.87) | 8.13 (0.00-18.07) | 1.41 (0.00-3.68) | 19.30 (2.93-35.68) | 2.50 (0.00-5.51) | | <4.5 | 13.36 (0.30-26.41) | 4.13 (0.00-11.20) | 13.54 (0.40-26.68) | 2.37 (0.00-6.46) | 24.28 (6.51-42.05) | 3.39 (0.00-7.98) | | <5 | 11.88 (1.24-22.52) | 5.21 (0.00-13.43) | 12.00 (1.29-22.71) | 2.97 (0.00-7.59) | 33.49 (14.79-52.19) | 4.53 (0.00-10.25) | | <5.5 | 13.29 (3.07-23.51) | 7.28 (0.00-16.16) | 13.89 (3.46-24.32) | 4.31 (0.00-9.72) | 31.85 (14.96-48.74) | 6.86 (0.59-13.14) | | 21.55 (10.21-32.90) | 10.13 (0.00-23.54) | 22.09 (10.54-33.65) | 5.78 (0.00-13.20) | 43.17 (28.13-58.21) | 9.66 (0.10-19.23) |
|
|
Dx-pH: pharyngeal pH monitoring; MII-pH: multichannel intraluminal pH-impedance; LPR: laryngopharyngeal reflux; GER: gastroesophageal reflux; PPV: positive predictive value.
|
