Wearable hip-assist robot modulates cortical activation during gait in stroke patients: a functional near-infrared spectroscopy study

Table 2 The mean values of oxygenated hemoglobin concentration during each walking condition and phase

(Unit: mol*10^–3)	GEMS-H	NoGEMS-H	P-value
Ipsilesional SMC
Early phase	0.29 (0.22)	0.14 (0.19)	0.028*
Late phase	− 0.22 (0.14)	− 0.11 (0.10)	0.008**
Contralesional SMC
Early phase	0.21 (0.15)	0.11 (0.16)	0.048^*
Late phase	− 0.14 (0.09)	− 0.08 (0.09)	0.066
Ipsilesional SMA
Early phase	0.26 (0.19)	0.17 (0.16)	0.095
Late phase	− 0.22 (0.10)	− 0.14 (0.13)	0.027*
Contralesional SMA
Early phase	0.23 (0.17)	0.18 (0.15)	0.288
Late phase	− 0.20 (0.12)	− 0.08 (0.11)	0.003**
Ipsilesional PMC
Early phase	0.20 (0.13)	0.21 (0.17)	0.692
Late phase	− 0.12 (0.12)	− 0.08 (0.13)	0.334
Contralesional PMC
Early phase	0.16 (0.18)	0.25 (0.25)	0.200
Late phase	− 0.11 (0.07)	− 0.08 (0.08)	0.203
Ipsilesional PFC
Early phase	0.13 (0.08)	0.17 (0.09)	0.156
Late phase	− 0.05 (0.06)	− 0.12 (0.06)	0.001**
Contralesional PFC
Early phase	0.11 (0.14)	0.19 (0.16)	0.083
Late phase	− 0.03 (0.10)	− 0.11 (0.08)	0.005**

Values are presented as mean (SD)
^*P < 0.05; **P < 0.01
SMC primary sensorimotor cortex, SMA supplemental motor areas, PMC premotor cortex, PFC prefrontal cortex, GEMS-H walking with assistance of GEMS-H, NoGEMS-H walking without assistance of GEMS-H

ISSN: 1743-0003