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Table 1 Clinical characteristics and location of stroke according to (MRI)

From: Central post-stroke pain: predictors and relationship with magnetic resonance imaging and somatosensory evoked potentials

Variables

Patients with CPSP (n = 23)

Patients without CPSP (n = 42)

Test used

p value

No. (%)

No. (%)

Motor dysfunction

15 (65.2%)

25 (59.5%)

χ2 = 0.20

0.65

Superficial sensory loss

11 (47.8%)

17 (40.5%)

χ2 = 0.33

0.56

Deep sensory loss

6 (26.1%)

0 (0.0%)

Fisher

0.001**

Cortical sensory loss

2 (8.7%)

0 (0.0%)

Fisher

0.12

Location of lesion

Thalamic

11 (47.8%)

7 (16.7%)

χ2 = 7.2

0.007**

Extra-thalamic

12 (52.2%)

35 (83.3%)

 Cortical

2 (8.7%)

8 (19.0%)

Fisher

0.31

 Sub-cortical

3 (13.0%)

9 (21.4%)

Fisher

0.52

 Capsular

2 (8.7%)

8 (19.0%)

Fisher

0.31

 Basal ganglion

2 (8.7%)

5 (11.9%)

Fisher

0.52

 Pontine

2 (8.7%)

3 (7.1%)

Fisher

0.59

 Medullary

1 (4.3%)

2 (4.8%)

Fisher

0.72

Side of lesion

Right side

11 (47.8%)

27 (64.3%)

χ2 = 1.7

0.20

Left side

12 (52.2%)

15 (35.7%)

  1. **Highly significant p value at < 0.01, CPSP central post-stroke pain, Fisher exact probability test, χ2 chi-square test