Wireless Brain-Robot Interface: User Perception and Performance Assessment of Spinal Cord Injury Patients

Table 5

Statistical tests on demographics, clinical evaluation, and assessment questionnaires.

Demographics			Clinical evaluation
	SCI versus healthy			SCI	Healthy
Education			g-SCIM-III-Total	Median = 94.0, IQR = 51.3	Median = 100.0, IQR = 0.0
Height	, df = 18		g-SCIM-III-SC	Median = 18.0, IQR = 7.3	Median = 20.0, IQR = 0.0
Weight	, df = 18		g-SCIM-III-BS	Median = 40.0, IQR = 19.3	Median = 40.0, IQR = 0.0
BMI	, df = 18		g-SCIM-III-M	Median = 37.5, IQR = 24.3	Median = 40.0, IQR = 0.0
Smoking	, df = 1
Assessment questionnaires
	SCI	Healthy	SCI versus healthy		Positive versus negative outcome
VVIQ	65.70 (7.04)	67.0 (10.92)	, df = 18		, df = 8
VVIQ1	Median = 16.5, IQR = 4.0	Median = 18.5, IQR = 4.5			, df = 8
VVIQ2	17.20 (2.25)	16.50 (2.99)	, df = 18		, df = 8
VVIQ3	Median = 17.0, IQR = 4.5	Median = 19.5, IQR = 3.3			, df = 8
VVIQ4	15.10 (3.98)	14.70 (3.59)	, df = 18		, df = 8
BDI	Median = 14.5, IQR = 12.5	Median = 3.0, IQR = 5.5
RSEQ	21.40 (3.86)	24.70 (4.14)	, df = 18