Table 1 Comparison between the diabetic and control groups regarding facial nerve parameters

Orbicularis oculi

DL

3.06 ± 0.58

(2.50–6.80)

2.87 ± 0.25

(2.20–3.30)

U = 1299.0*

0.008*

Amplitude

1.84 ± 0.48

(1.10–3.0)

2.73 ± 1.32

(0.30–7.0)

U = 831.0*

< 0.001*

Nasalis

DL

3.60 ± 0.52

(2.50–5.50)

3.20 ± 0.54

(2.50–4.70)

t = 4.177*

< 0.001*

Amplitude

1.54 ± 0.28

(1.20–2.50)

2.88 ±1.34

(0.60–8.0)

t = 7.634*