Table 1 Comparison of microstate parameters among the three groups.

From: Exploring cortical excitability in children with cerebral palsy through lower limb robot training based on MI-BCI

Microstate parameters

Microstate categories

REST

MI

MI-BCI

Group effect

Post - hoc comparisons - P value

M (P25,P75)

M (P25,P75)

M (P25,P75)

H

P

REST vs. MI*

REST vs. MI-BCI*

MI vs. MI-BCI*

Duration (ms)

A

77.24 (71.68, 80.82)

71.98 (67.83, 77.64)

79.43 (71.75, 85.93)

4.504

0.105

   

B

76.28 (70.25, 79.17)

69.75 (66.14, 74.10)

74.47 (66.18, 82.90)

5.977

0.05

   

C

76.58 (71.71, 80.64)

80.20 (74.74, 86.13)

72.74 (68.89, 77.37)

12.282

0.002

0.206

0.277

0.001

D

77.02 (69.76, 81.68)

82.78 (78.86, 86.13)

86.79 (79.27, 91.17)

12.741

0.002

0.023

0.003

> 0.99

Occurrence (hz)

A

3.36 (3.03, 3.51)

2.81 (2.55, 2.98)

2.46 (2.10, 3.30)

17.289

< 0.001

0.001

0.004

> 0.99

B

3.49 (3.22, 3.58)

3.73 (3.61, 4.12)

3.59 (3.08, 3.18)

12.714

0.002

0.001

0.114

0.42

C

3.55 (3.05, 3.62)

3.12 (2.89, 3.24)

3.35 (2.98, 3.71)

6.059

0.048#

0.064

> 0.99

0.168

D

3.22 (2.79, 3.59)

3.42 (3.21, 3.75)

3.56 (3.25, 3.68)

2.901

0.234

   

Coverage (%)

A

24.30 (22.06, 28.93)

21.05 (17.35, 23.39)

19.96 (15.79, 26.29)

8.157

0.017

0.035

0.047

> 0.99

B

25.36 (22.83, 27.86)

26.90 (24.25, 28.66)

26.78 (23.18, 30.70)

1.871

0.391

   

C

25.77 (22.63, 28.85)

23.36 (20.99, 27.21)

24.51 (20.42, 25.81)

1.670

0.434

   

D

23.84 (20.12, 28.85)

27.82 (27.01, 29.76)

28.70 (25.91, 32.51)

10.193

0.006

0.025

0.012

> 0.99

  1. * adjusted P-value; # close to 0.05, considered not statistically significant.