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Table 2 Correlations between diaphragmatic excursion values and anthropometric and lung function measurements

From: Ultrasound evaluation of diaphragmatic mobility in patients with idiopathic lung fibrosis: a pilot study

  Patients Controls
Normal Breath Deep inspiration Normal Breath Deep inspiration
BMI R − 0.41 0.06 0.59 0.25
p 0.17 0.83 0.04 0.43
CT R 0.37 −0.01 0.61 0.22
p 0.03 0.95 0.03 0.49
CA R −0.52 − 0.12 0.55 0.03
p 0.07 0.69 0.06 0.91
FVC R 0.53 0.56 0.09 0.22
p 0.05 0.05 0.78 0.49
TLC R −0.04 −0.13 −0.59 0.31
p 0.88 0.68 0.40 0.32
VC R 0.19 −0.11 0.07 0.17
p 0.55 0.73 0.82 0.59
DLCO R −0.33 −0.18 0.05 −0.22
p 0.29 0.57 0.85 0.46
FEV1% VC MAX R −0.02 −0.39 −0.07 0.69
p 0.94 0.19 0.82 0.01
  1. Abb. BMI: body mass index; CT: chest circumference; CA: circumference of abdomen; FVC: forced vital capacity; TLC: total lung capacity; FEV1/FVC max: forced expiratory volume in the 1st second/ forced vital capacity; VC: vital capacity; DLCO: diffusion Lung CO; DE: diaphragmatic excursion