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Table 6 Mean amplitudes (in μV) of click evoked auditory brainstem responses, standard deviations (SD) and the results of t test

From: Effect of early onset otitis media on brainstem and cortical auditory processing

Age

Parameter

Group

Mean

SD

t

p

3 years

Wave I

Control

0.41

0.13

2.751

<0.01

  

Experimental

0.30

0.13

  
 

Wave III

Control

0.30

0.10

2.619

<0.05

  

Experimental

0.20

0.14

  
 

Wave V

Control

0.59

0.17

1.986

>0.05

  

Experimental

0.50

0.17

  
 

V/I amplitude ratio

Control

1.61

0.51

0.131

>0.05

  

Experimental

2.08

1.25

  

4 years

Wave I

Control

0.56

0.32

0.409

>0.05

  

Experimental

0.31

0.21

  
 

Wave III

Control

0.43

0.17

1.121

>0.05

  

Experimental

0.30

0.17

  
 

Wave V

Control

0.54

0.15

0.516

>0.05

  

Experimental

0.50

0.26

  
 

V/I amplitude ratio

Control

1.77

2.25

0.769

>0.05

  

Experimental

1.85

0.95

  

5 years

Wave I

Control

0.29

0.16

0.044

>0.05

  

Experimental

0.31

0.18

  
 

Wave III

Control

0.26

0.14

0.165

>0.05

  

Experimental

0.34

0.30

  
 

Wave V

Control

0.65

0.22

0.609

>0.05

  

Experimental

0.49

0.22

  
 

V/I amplitude ratio

Control

2.38

1.99

0.326

>0.05

  

Experimental

2.88

2.13