Table 3 Comparison of HbO values in various ROI areas among two groups of patients before treatment, at 2 weeks of treatment, and at 4 weeks of treatment (mmol*mm, \(\bar{x}\) ± s).

From: Unveiling the upper-limb functional recovery mechanisms in stroke patients using brain-machine interfaces: a near-infrared functional imaging-based study

Group

Time point

n

Unaffected PMC

Affected PMC

Unaffected SMC

Affected SMC

Unaffected SMA

Affected SMA

Treatment group

T0

15

0.017 ± 0.021

0.011 ± 0.009

0.015 ± 0.014

0.012 ± 0.012

0.015 ± 0.015

0.007 ± 0.005

T1

15

0.006 ± 0.005

0.016 ± 0.031

0.009 ± 0.005

0.007 ± 0.004

0.007 ± 0.006

0.012 ± 0.007

T2

15

0.015 ± 0.016

0.019 ± 0.017ac

0.018 ± 0.018

0.011 ± 0.009

0.014 ± 0.013

0.015 ± 0.012b

Control group

T0

15

0.008 ± 0.006

0.008 ± 0.006

0.012 ± 0.008

0.011 ± 0.013

0.011 ± 0.012

0.006 ± 0.004

T1

15

0.013 ± 0.010

0.009 ± 0.009

0.014 ± 0.016

0.012 ± 0.012

0.008 ± 0.007

0.014 ± 0.010

T2

15

0.019 ± 0.012

0.007 ± 0.005

0.010 ± 0.007

0.012 ± 0.016

0.009 ± 0.005

0.015 ± 0.010

  1. Intra-group comparison, treatment group after 4 weeks of treatment compared with before treatment, aP < 0.01, bP < 0.01; inter-group comparison, treatment group after 4 weeks of treatment compared with the control group after 4 weeks of treatment, cP < 0.01.