Table 3 Results of correlation test between %LAA and magnitude, angle of displacement vectors in emphysema patients.

From: CT-derived 3D-diaphragm motion in emphysema and IPF compared to normal subjects

Displacement

%LAAinsp

%LAAexp

Correlation coefficient (r)

P Value

Correlation coefficient (r)

P Value

3D

− 0.233

0.020*

− 0.546

 < 0.0001*

Transverse

− 0.041

0.684

− 0.045

0.657

Apico-basal

− 0.242

0.015*

− 0.521

 < 0.0001*

Dorsal–ventral

− 0.142

0.158

− 0.387

 < 0.0001*

Angle (mean)

− 0.107

0.291

− 0.121

0.230

Angle (SD)

− 0.083

0.409

− 0.020

0.840

  1. P values with asterisk* indicate to be statistically significant.
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