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Table 2 Correlation coefficient (r), coefficient of determination (r2) and correlation significance level (p) of respiratory oscillometry in relation to manovacuometry

From: Oscillometry of the respiratory system in Parkinson's disease: physiological changes and diagnostic use

  

Xm

Fr

Cdin

Ax

R4

R20

R4-R20

MIP

R

r2

p

-0.36

0.13

0.02

0.34

0.11

0.03

0.0017

0.000002

0.99

0.17

0.02

0.29

0.12

0.01

0.43

0.02

0.0004

0.89

0.23

0.05

0.15

MEP

R

r2

p

0.37

0.13

0.02

-0.29

0.08

0.06

0.09

0.009

0.55

-0.30

0.09

0.05

-0.26

0.06

0.10

-0.21

0.04

0.18

-0.26

0.06

0.10