Table 2.

Response in motor, sensory, and AIS impairment scores in participants with chronic spinal cord injury by rehabilitation treatment group

	Control (no FES), n = 20	Intervention (FES), n = 25	P value*
AIS motor scores	n (%)	n (%)
AIS motor score response
Yes	9 (45.0)	20 (80.0)
No	11 (55.0)	5 (20.0)	0.02
AIS motor score response by baseline AIS
AIS A: Yes	6 (42.9)	13 (76.5)
No	8 (57.1)	4 (23.5)	0.06
AIS B: Yes	2 (50.0)	5 (100.0)
No	2 (50.0)	0 (0)	0.07
AIS C: Yes	1 (50.0)	2 (67.7)
No	1 (50.0)	1 (33.3)	0.71
Pinprick AIS scores
Pinprick AIS score response
Yes	5 (25.0)	14 (56.0)
No	15 (75.0)	11 (44.0)	0.04
Pinprick AIS response by baseline AIS
AIS A: Yes	3 (21.4)	10 (58.8)
No	11 (78.6)	7 (41.2)	0.04
AIS B: Yes	1 (25.0)	3 (60.0)
No	3 (75.0)	2 (40.0)	0.29
AIS C: Yes	1 (50.0)	1 (33.3)
No	1 (50.0)	2 (66.7)	0.71
Light touch AIS scores
Light touch AIS score response
Yes	6 (30.0)	14 (56.0)
No	14 (70.0)	11 (44.0)	0.08
Light touch AIS response by baseline AIS
AIS A: Yes	4 (28.6)	10 (58.8)
No	10 (71.4)	7 (41.2)	0.09
AIS B: Yes	1 (25.0)	3 (60.0)
No	3 (75.0)	2 (40.0)	0.29
AIS C: Yes	1 (50.0)	2 (66.7)
No	1 (50.0)	1 (33.3)	0.71
Combined motor sensory scores (CMSS)
CMSS response
Yes	8 (40.0)	20 (80.0)
No	12 (60.0)	5 (20.0)	0.006
CMSS response by baseline AIS
AIS A: Yes	6 (42.9)	13 (76.5)
No	8 (57.1)	4 (23.5)	0.06
AIS B: Yes	1 (25.0)	5 (100)
No	3 (75.0)	0	0.02
AIS C: Yes	1 (50.0)	2 (66.7)
No	1 (50.0)	1 (33.3)	0.709
AIS conversions
AIS grade improvement
Yes	4 (20.0)	7 (28.0)
No	16 (80.0)	18 (72.0)	0.535
AIS grade improvement by baseline AIS
AIS A: Yes	2 (14.3)	3 (17.6)
No	12 (85.7)	14 (82.3	0.800
AIS B: Yes	2 (50.0)	4 (80.0)
No	2 (50.0)	1 (20.0)	0.343
AIS C: Yes	0	0
No	2 (100)	3 (100)	—

Response defined as ≥1 point increase in a specific functional domain on the AIS scale.

*P value for χ² and t-test.