Table 2 Comparison between patient and control groups as regards the auditory brain stem evoked potential (ABR)

I-Latency (ms)

Right

1.54

0.29

1.24

0.08

< 0.001*

Left

1.61

0.31

1.28

0,09

< 0.001*

II-Latency (ms)

Right

2.63

0.31

2.57

0.15

0.28(NS)

Left

2.74

0.26

2.68

0.11

0.22(NS)

III-Latency

(ms)

Right

3.64

0.3

3.26

0.12

< 0.001*

Left

3.64

0.27

3.3

0.09

< 0.001*

IV-Latency

(ms)

Right

4.56

0.05

4.54

0.06

0.31(NS)

Left

4.58

0.07

4.56

0.05

0.12(NS)

V-Latency

(ms)

Right

5.88

0.27

5.45

0.11

< 0.001*

Left

5.97

0.29

5.49

0.1

< 0.001*

IPLs

I–III (ms)

Right

2.1

0.13

2.01

0.13

0.01*

Left

2.02

0.25

2.02

0.12

0.8(NS)

IPLs

I–V (ms)

Right

4.33

0.35

4.21

0.17

0.08(NS)

Left

4.35

0.42

4.2

0.17

0.07(NS)

IPLs

III–V (ms)

Right

2.23

0.38

2.19

0.16

0.6(NS)

Left

2.32

0.36

2.2

0.15

0.06(NS)

BAEP-I amplitude (μv)

Right

0.33

0.02

0.67

0.04

< 0.001*

Left

0.34

0.03

0.68

0.04

< 0.001*

BAEP-V amplitude (μv)

Right

0.44

0.04

0.46

0.03

0.05*

Left

0.45

0.04

0.47

0.04

0.035*