Table 2.

Baseline ARAT and FMMA scores by study group and stroke period.

Outcome	Study group		p Mann–Witney criterion
	BCI	Control
SUBACUTE PATIENTS (1–6 MONTHS FROM ONSET)
n	25	9	n/a
ARAT total	1.0 [0.0; 15.0]	13.0 [0.0; 22.0]	0.489
ARAT-Grasp	0.0 [0.0; 7.0]	4.0 [0.0; 7.0]	0.489
ARAT-Grip	0.0 [0.0; 4.0]	2.0 [0.0; 5.0]	0.565
ARAT-Pinch	0.0 [0.0; 1.0]	2.0 [0.0; 4.0]	0.335
ARAT-Gross movement	1.0 [0.0; 4.0]	2.0 [0.0; 5.0]	0.514
FMMA upper extremity	15.0 [6.0; 36.0]	12.0 [11.0; 29.0]	0.969
FMMA-Proximal	12.0 [7.0; 26.0]	11.0 [10.0; 20.0]	0.878
FMMA- Distal	2.0 [1.0; 9.0]	1.0 [1.0; 9.0]	0.591
CHRONIC PATIENTS (>6 MONTHS FROM ONSET)
n	30	10	n/a
ARAT total	18.5 [1.0; 39.0]	2.0 [0.0; 30.0]	0.331
ARAT-Grasp	8.0 [0.0; 17.0]	0.0 [0.0; 12.0]	0.272
ARAT-Grip	4.5 [0.0; 9.0]	0.0 [0.0; 8.0]	0.432
ARAT-Pinch	2.0 [0.0; 10.0]	0.0 [0.0; 6.0]	0.379
ARAT-Gross movement	2.0 [1.0; 6.0]	2.0 [0.0; 6.0]	0.701
FMMA upper extremity	30.5 [17.0; 41.0]	12.5 [11.0; 49.0]	0.272
FMMA-Proximal	22.0 [15.0; 29.0]	11.5 [9.0; 27.0]	0.259
FMMA- Distal	8.0 [2.0; 15.0]	2.5 [1.0; 19.0]	0.569

Medians and 25 and 75% quartiles are shown.