Table 4 Correlations between the time from COVID-19 treatment completion to rehabilitation initiation, BDNF, IRIS, and upper limb strength with BDI-II and GAD-7 scores before rehabilitation.

From: Emotional state in patients after COVID-19 in relation to comprehensive rehabilitation, Brain-Derived neurotrophic factor, Irisin levels, and selected clinical factors

Variable

 

R

p

The time elapsed from the completion of COVID-19 treatment to the initiation of rehabilitation.

BDI-II

0.19132

0.019*

GAD-7

0.16881

0.038*

BDNF

BDI-II

−0.07242

0.395

GAD-7

−0,06011

0.477

IRIS

BDI-II

0.20524

0.012*

GAD-7

0.06081

0.459

Handgrip

BDI-II

−0.31738

< 0.001*

GAD-7

−0,28932

< 0.001*

  1. R – correlation coefficient; GAD-7 – General Anxiety Disorder-7; BDI-II – Beck Depression Inventory; BDNF – brain-derived neurotrophic factor; IRIS – irisin; p – statistical significance, * – p < 0.05.
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