Quantitative and Fiber-Selective Evaluation for Central Poststroke Pain
Table 3
Comparison between the location of the stroke lesion and the distribution of the sensory disturbance, the class of the abnormal sensory fibers, and the clinical sign.
Variable
Thalamus ()
Internal capsule ()
value
Test site
Shoulder
Abnormal
9 (69.23%)
15 (34.09%)
0.027
Normal
4 (30.77%)
29 (65.91%)
Elbow
Abnormal
9 (69.23%)
24 (54.55%)
0.269
Normal
4 (30.77%)
20 (45.45%)
Index finger
Abnormal
8 (61.54%)
13 (29.55%)
0.040
Normal
5 (38.46%)
31 (70.45%)
Knee
Abnormal
1 (7.69%)
16 (36.36%)
0.040
Normal
12 (92.31%)
28 (63.64%)
Big toe
Abnormal
2 (15.38%)
29 (65.91%)
0.005
Normal
11 (84.62%)
15 (34.09%)
Fiber type
Aβ
Abnormal
3 (23.08%)
28 (63.64%)
0.011
Normal
10 (76.92%)
16 (36.36%)
Aδ
Abnormal
9 (69.23%)
16 (36.36%)
0.038
Normal
4 (30.77%)
28 (63.64%)
C
Abnormal
7 (53.85%)
11 (25.00%)
0.038
Normal
6 (46.15%)
33 (75.00%)
Clinical sign
Hypoesthesia
4 (30.77%)
41 (93.18%)
<0.001
Hyperesthesia
9 (69.23%)
3 (6.82%)
VAS score
6 (5-8)
6 (4-7)
0.30
Hyperesthesia is indicated when the upper limit of the normal range is exceeded. Hypoesthesia is indicated when the lower limit of the normal range is exceeded. : number. Data are number of patients (%). value refers to the results of Fisher’s exact test. Significance level at .
