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Table 12 Relation between the stage of the lesion in electrophysiological studies and MR neurography among patients (n = 50)

From: Role of magnetic resonance neurography in assessment of lumbosacral radiculo-plexopathy: correlation with electrophysiological studies

 

Electrophysiological study stage

χ2

p

Normal

(n = 10)

Acute

(n = 8)

Subacute

(n = 6)

Chronic

(n = 26)

MR neurography stage

 Normal

4 (8%)

1 (2%)

0 (0%)

0 (0%)

59.448*

< 0.001*

 Acute

3 (6%)

5 (10%)

1 (2%)

0 (0%)

 Subacute

2 (4%)

2 (4%)

5 (10%)

1 (2%)

 Chronic

1 (2%)

0 (0%)

0 (0%)

25 (50%)

κ (p)

0.725 (< 0.001*) good agreement

  

% Of agreement

41/50 (82%)

  
  1. χ2 chi square test, κ kappa test, p p value
  2. *Statistically significant at p ≤ 0.05