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Table 2 Neurophysiological characteristics

From: Bell’s palsy: clinical and neurophysiologic predictors of recovery

Neurophysiological characteristics

Group 1

(N=52)

Group 2

(N=11)

p

Frontalis muscle

 Latency: mean ± SD (ms)

3.79 ± 0.79

4.04 ± 0.92

0.308

 Amplitude: mean ± SD (mv)

1.06 ± 0.69

0.31 ± 0.17

< 0.001*

Nasalis muscle

 Latency: mean ± SD (ms)

3.68 ± 0.62

3.95 ± 0.8

0.178

 Amplitude: mean ± SD (mv)

1.40 ± 0.7

0.85 ± 0.21

0.001*

Orbicularis oris muscle

 Latency: mean ± SD (ms)

3.91 ± 0.50

4.23 ± 0.83

0.101

 Amplitude: mean ± SD (mv)

1.27 ± 0.59

0.80 ± 0.25

0.001*

  1. ms millisecond, mv millivolt
  2. *Highly significant