Table 2– Manometric parameters of idiopathic pulmonary fibrosis (IPF) patients, those with interstitial lung disease (ILD) other than IPF and healthy volunteers
IPFILD other than IPFHealthy volunteersp-value
Mean basal LOS pressure mmHg14.1 (4–32.5)16.7 (4–37.2)22 (12–42)<0.001
LOS relaxation %1001001001
Mean proximal contraction amplitude mmHg92.4 (40–190)84 (35–170)94.7 (35–170)0.441
Mean distal contraction amplitude mmHg90.6 (10–210)79.9 (10–210)85.36 (30–190)0.439
Manometric hiatal hernia %553814<0.001
Mean basal UOS pressure mmHg60.1 (38–100)62.4 (35–110)64 (35–110)0.787
  • Data are presented as mean (interquartile range), unless otherwise stated. LOS: lower oesophageal sphincter; UOS: upper oesophageal sphincter.