Table 5.

Intensity of neuropathic pain according to each demographic or clinical variable

Variable	Pain intensity (NRS)	p-value
Sex		0.03*
Male	4.37±1.79
Female	4.90±1.79
Age (yr)		0.59
<50	4.60±1.67
≥50	4.47±1.88
Marital status		0.90
Married	4.53±1.89
Single	4.50±1.53
Occupation		0.45
Employed	4.47±1.77
Unemployed	4.66±1.88
Educational status		0.32
Primary school graduate or lower	4.64±1.96
Middle school graduate	4.97±1.75
High school graduate	4.53±1.88
College graduate or higher	4.31±1.67
Depression severity		0.82
None (BDI-II 0–13, GDS 0–13)	4.40±1.76
Mild (BDI-II 14–19, GDS 14–18)	4.59±1.93
Moderate (BDI-II 20–28, GDS 19–21)	4.44±1.26
Severe (BDI-II 29–, GDS 22–)	4.71±1.70
Onset		0.15
Acute (<6 months)	4.37±1.76
Chronic (≥6 months)	4.69±1.84
Type of injury		0.64
Complete	4.60±1.66
Incomplete	4.49±1.87
ASIA impairment scale		0.30
A	4.60±1.66
B	4.22±1.68
C	4.91±1.97
D	4.37±1.85
NLI		0.30
Cervical	4.69±1.85
Thoracic	4.30±1.65
Lumbar	4.43±1.91
Type of injury & NLI		0.47
Complete, paraplegia	4.50±1.58
Incomplete, paraplegia	4.29±1.79
Complete, tetraplegia	4.70±1.76
Incomplete, tetraplegia	4.68±1.93
Etiology of injury		0.27
Traumatic	4.44±1.75
Non-traumatic	4.71±1.92
Locomotion		0.43
Wheelchair dependent	4.57±1.76
Gait	4.35±1.94
KSCIM-III		0.17
Operation		0.81
Performed	4.53±1.76
Not performed	4.44±2.17
Spasticity		0.53
Spastic	4.44± 1.83
None	4.58±1.78
Pain subtype		<0.001*
At level	3.14±1.03
Below level	4.51±1.77

Values are presented as mean±standard deviation.

NRS, Numerical Rating Scale; BDI-II, Beck Depression Inventory 2nd edition; GDS, Geriatric Depression Scale; ASIA, American Spinal Injury Association; NLI, neurological level of injury; KSCIM-III, Korean version of the Spinal Cord Independence Measure 3rd edition.

^*p<0.05 according to the independent t-test.