| | Item | Responders (n = 50) | Nonresponders (n = 40) | |
| | AET (%) | 1.05 (0.45, 3.00) | 1.11 (0.41, 3.38) | 0.669 | | PSWPI | 38.68 ± 9.99 | 50.92 ± 5.39 | 0.332 | | MNBI | 1817.75 ± 259.26 | 2369.93 ± 326.35 | 0.030 | | Proximal MNBI | 1833.39 ± 92.16 | 2742.57 ± 204.64 | ≤0.001 | | Distal MNBI | 2095.16 ± 266.62 | 2778.37 ± 286.62 | 0.095 | | SAP (%) | 85.80 (73.80, 96.70) | 90.35 (65.40, 98.25) | 0.508 | | Acid SAP (%) | 20.90 (7.00, 35.58) | 24.50 (13.05, 36.05) | 0.418 | | Nonacid SAP (%) | 85.50 (65.50, 96.25) | 7.00 (0.00, 91.90) | 0.101 | | SI (%) | 22.50 (5.00, 35.13) | 20.00 (0.00, 33.30) | 0.857 | | Total reflux (n) | 90.00 (29.00, 148.00) | 58.10 (36.20, 91.00) | 0.284 | | Acid reflux (n) | 20.90 (7.00, 35.58) | 24.95 (13.33, 36.63) | 0.340 | | Weakly acid reflux (n) | 56.00 (31.70, 86.00) | 14.00 (14.00, 44.20) | 0.022 | | Weakly alkaline reflux (n) | 8.75 (1.83, 24.75) | 10.15 (1.60, 18.48) | 0.907 | | Nonacid reflux (n) | 61.35 (15.90.86.50) | 21.60 (0.00, 52.50) | 0.008 | | Gas reflux (n) | 20.00 (10.40, 44.00) | 11.10 (4.85, 24.00) | 0.059 | | Liquid reflux (n) | 20.60 (8.75, 32.00) | 17.00 (9.00, 28.80) | 0.610 | | Mixed reflux (n) | 45.00 (14.90, 67.50) | 37.60 (17.40, 56.00) | 0.905 | | Proximal extent (n) | 19.00 (5.04, 24.00) | 5.50 (2.56, 11.13) | 0.011 | | Acid clearance (s) | 10.50 (7.13, 13.00) | 12.00 (10.50, 12.00) | 0.307 |
|
|
Note: MNBI, mean nocturnal baseline impedance; PSPWI, postreflux swallow-induced peristaltic wave index; SAP, symptom association probability; SI, symptom index; AET, acid exposure time.
|
