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Table 4 Time domain features for patients with dysphagia performing viscous swallows

From: Dysphagia and its effects on swallowing sounds and vibrations in adults

 

Non-stroke

Stroke

A–P

S–I

Sounds

A–P

S–I

Sounds

Skewness

0.414 ± 1.126

− 0.350 ± 1.684

− 0.454 ± 6.055

− 0.440 ± 3.314

− 0.050 ± 1.078

1.083 ± 2.478

Kurtosis

14.88 ± 28.27

13.80 ± 14.75

426.9 ± 965.2

43.32 ± 147.3

10.42 ± 13.04

281.2 ± 468.1

Entropy rate

0.988 ± 0.005

0.988 ± 0.005

0.990 ± 0.006

0.988 ± 0.006

0.988 ± 0.005

0.991 ± 0.005

L–Z complexity

0.068 ± 0.021

0.073 ± 0.025

0.033 ± 0.018

0.060 ± 0.028

0.072 ± 0.024

0.029 ± 0.018