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Table 3 Mean approximate entropy values for the subjects

From: Detecting number processing and mental calculation in patients with disorders of consciousness using a hybrid brain-computer interface system

Subject

ApEn values (±SD)

Run 1 (number recognition)

Run 2 (number comparison)

Run 3 (addition and subtraction)

Average

VS1

1.121 (±0.500)

0.876 (±0.464)

 

0.998 (±0.473)

VS3

0.599 (±0.112)

0.558 (±0.178)

0.642 (±0.129)

0.600 (±0.137)

VS5

0.467 (±0.392)

0.514 (±0.143)

0.703 (±0.320)

0.561 (±0.300)

VS6

0.271 (±0.090)

0.618 (±0.432)

0.456 (±0.312)

0.475 (±0.339)

MCS2

0.966 (±0.332)

0.833 (±0.309)

0.475 (±0.093)

0.758 (±0.328)

MCS3

1.073 (±0.228)

0.788 (±0.151)

0.598 (±0.246)

0.820 (±0.282)

Average

0.684 (±0.227)

VS2

1.152 (±0.319)

1.121 (±0.324)

1.140 (±0.327)

1.167 (±0.301)

VS4

1.021 (±0.363)

1.085 (±0.299)

 

1.053 (±0.315)

MCS1

0.865 (±0.207)

0.765 (±0.245)

0.870 (±0.278)

0.833 (±0.232)

EMCS1

0.800 (±0.154)

0.862 (±0.206)

 

0.831 (±0.175)

EMCS2

1.247 (±0.453)

1.625 (±0.143)

1.403 (±0.226)

1.425 (±0.324)

Average

1.074 (±0.251)

HC1

1.077 (±0.247)

0.904 (±0.462)

1.173 (±0.324)

1.051 (±0.361)

HC2

0.881 (±0.156)

1.065 (±0.117)

0.890 (±0.262)

0.974 (±0.153)

HC3

1.191 (±0.229)

1.028 (±0.246)

0.911 (±0.212)

1.043 (±0.251)

HC4

1.022 (±0.280)

1.035 (±0.209)

0.951 (±0.300)

0.999 (±0.262)

Average

1.011 (±0.106)