Skip to main content

Table 2 Comparison of High-resolution Manometry-Multichannel Impedance Parameters in subject groups for liquid and viscous swallows (including failed, weak and fragment swallows)

From: Motility characteristics in the transition zone in Gastroesophageal Reflux Disease (GORD) patients

  RE NERD HO FH HV P values
Liquid swallows IRP (mmHg) 10.3 (14.4–19.10) 11.50 (6.70–14.60) 11.23 (8.65–14.08) 14.30 (12.13–17.90) 14.15 (11.10–20.52) 0.000
DCI (mmHg · s · cm) 988 (510–1532) 927 (587–1651) 918 (525–1465) 1112 (644–1548) 1240 (933–1744) 0.000
DL (s) 6.4 (5.80–7.10) 6.20 (5.60–7.13) 6.10 (5.50–6.65) 6.60 (6.00–7.30) 6.60 (6.00–7.10) 0.000
TZ delay (s) 1.30 (1.80–2.30) 1.60 (1.10–2.00) 1.70 (1.30–2.45) 1.80 (1.30–2.50) 1.50 (1.25–2.10) 0.142
TZ distance (cm) 2.30 (2.50–4.10) 2.20 (2.60–3.08) 2.95 (2.37–4.45) 3.20 (2.40–5.20) 2.50 (2.20–3.60) 0.140
viscous swallows IRP (mmHg) 11.90 (8.38–17.00) 9.40 (6.90–12.80) 9.85 (7.28–15.45) 12.80 (9.60–15.00) 12.45 (8.70–18.23) 0.000
DCI (mmHg · s · cm) 720 (184–1413) 766 (426–1525) 651 (210–1484) 927 (333–1565) 1104 (788–1542) 0.000
DL (s) 7.00 (6.30–7.70) 7.00 (5.80–8.35) 6.70 (5.90–7.60) 7.30 (6.60–8.40) 7.40 (6.80–8.10) 0.000
TZ delay (s) 1.45 (2.00–2.70) 2.00 (1.40–2.68) 1.90 (1.40–2.60) 2.00 (1.40–2.63) 2.00 (1.50–2.50) 0.922
TZ distance (cm) 2.80 (2.50–5.75) 4.40 (2.63–6.13) 3.00 (2.25–4.58) 3.20 (2.40–5.85) 3.15 (2.53–4.68) 0.580
  1. RE reflux oesophagitis, NERD non-erosive reflux disease, HO hypertensive oesophagus, FH functional heartburn, HV healthy volunteer, IRP integrated relaxation pressure, DCI distal contractile integral, DL distal latency, TZ transitional zone
  2. Data are presented as median (interquartile range)