Table 3 Comparison of median nerve electrophysiological parameters between test and control groups at baseline and Follow-up.

From: Effectiveness of collagen nerve conduit combined with PRP for incomplete peripheral nerve injury: a retrospective case-control study

Parameter

Group

Baseline

p-value

Delta (Baseline to 1 Month)

p-value

Delta (Baseline to 3 Months)

p-value

DML (ms)

Test

8.48 ± 1.36

0.574

-1.09 ± 0.80

0.067

-1.86 ± 1.11

0.038

Control

8.22 ± 1.44

 

-0.60 ± 0.78

 

-0.96 ± 1.46

 

CMAP (mV)

Test

5.40 ± 3.02

0.126

0.47 ± 0.89

0.399

1.47 ± 1.68

0.229

Control

6.95 ± 3.08

 

0.76 ± 1.20

 

0.78 ± 1 0.75

 

MCV (m/s)

Test

49.55 ± 5.69

0.081

4.40 ± 6.05

0.082

7.55 ± 5.40

0.014

Control

52.44 ± 3.97

 

1.72 ± 2.02

 

3.44 ± 4.25

 

DSL (ms)

Test

4.32 ± 1.62

0.719

-0.95 ± 1.41

0.001

-1.21 ± 1.30

< 0.001

Control

4.15 ± 1.21

 

0.49 ± 0.89

 

0.34 ± 1.15

 

SNAP (µV)

Test

22.39 ± 9.96

0.989

1.04 ± 6.36

0.17

4.66 ± 5.41

0.002

Control

22.44 ± 13.49

 

-1.45 ± 4.25

 

-0.47 ± 3.56

 

SCV (m/s)

Test

44.20 ± 6.45

0.26

5.95 ± 4.24

<0.001

11.10 ± 6.11

< 0.001

Control

41.50 ± 8.08

 

0.39 ± 3.96

 

1.44 ± 9.03

 
  1. DML, Distal Motor Latency; CMAP, Compound Muscle Action Potential amplitude; MCV, Motor Conduction Velocity; DSL, Distal Sensory Latency; SNAP, Sensory Nerve Action Potential amplitude; SCV, Sensory Conduction Velocity.
  2. Bold p-values indicate statistical significance (p < 0.05).
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