Table 2 Comparisons of swallowing kinematic parameters between the normal population and populations with aspiration and pyriform sinus stasis.

From: Swallowing kinematic analysis might be helpful in predicting aspiration and pyriform sinus stasis

Parameters

Groups

N

Mean

First quartile

Third quartile

95% Confidence interval

p-value

LL

UL

Anterior hyoid displacement (mm)

Normal group

230

17.03

12.12

21.67

16.12

17.93

0.00

Aspiration group

87

11.51

7.37

14.8

10.09

12.94

 

Stasis group

132

12.98

8.72

16.99

11.85

14.11

 

Superior hyoid displacement (mm)

Normal group

230

20.63

13.3

26.96

19.19

22.07

0.426

Aspiration group

87

19.73

12.22

24.85

17.24

22.23

 

Stasis group

132

18.88

12.84

24.13

17.35

20.4

 

Maximal hyoid displacement (mm)

Normal group

230

29.85

21.26

33.09

27.47

32.25

0.00

Aspiration group

87

25.37

18.31

28.64

21.09

29.65

 

Stasis group

132

23.69

18.15

28.33

22.14

25.24

 

Velocity of anterior hyoid displacement (mm/s)

Normal group

230

19.18

7.78

25.47

17.18

21.19

0.00

Aspiration group

87

7.88

2.05

9.51

5.88

9.88

 

Stasis group

132

15.76

7.8

20.02

13.9

17.62

 

Velocity of superior hyoid displacement (mm/s)

Normal group

230

24.49

11.53

34.15

22.31

26.67

0.024

Aspiration group

87

16.32

5.91

22.67

13.48

19.17

 

Stasis group

132

24.86

13.06

34.04

22.15

27.56

 

Average velocity of maximal hyoid displacement (mm/s)

Normal group

230

28.27

14.73

40.41

27.01

29.53

0.00

Aspiration group

87

16.48

5.75

23.3

13.23

19.73

 

Stasis group

132

29.54

16.99

38.46

26.12

32.95