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Table 4 Mean, standard deviation, effect size measure and correlation coefficient values with SARA scores of the extracted features from CA subjects and controls

From: A comprehensive scheme for the objective upper body assessments of subjects with cerebellar ataxia

Test

Feature name

Unit

Subjects with CA \(n = 41\)

Controls \(n = 14\)

ES and p-value CA vs HC

CC and p-value SARA-Total

CC and p-value SARA-UL

FCT

\(KiDe^{(L)}\)

bits/s

2.683 ± 0.511

3.494 ± 0.431

1.646 (< 0.001*)

− 0.572 (0.003*)

− 0.663 (< 0.001*)

\(KiDe^{(R)}\)

bits/s

2.517 ± 0.553

3.575 ± 0.352

2.070 (< 0.001*)

− 0.504 (0.010*)

− 0.380 (0.061)

\(ReTi^{X(L)}\)

ms

1074 ± 292

761 ± 83

1.217 (< 0.001*)

0.610 (0.001*)

0.659 (< 0.001*)

\(ReTi^{X(R)}\)

ms

1166 ± 332

740 ± 84

1.462 (< 0.001*)

0.358 (0.079)

0.223 (0.284)

\(ReTi^{Y(L)}\)

ms

1076 ± 294

762 ± 85

1.211 (< 0.001*)

0.595 (0.002*)

0.641 (< 0.001*)

\(ReTi^{Y(R)}\)

ms

1170 ± 334

743 ± 83

1.456 (< 0.001*)

0.360 (0.077)

0.228 (0.272)

\(DTWEr^{X(L)}\)

px

1978 ± 648 (× 10)

1237 ± 182 (× 10)

1.299 (< 0.001*)

0.433 (0.031*)

0.394 (0.051)

\(DTWEr^{X(R)}\)

px

2362 ± 853 (× 10)

1.201 ± 291 (× 10)

1.539 (< 0.001*)

0.305 (0.138)

0.086 (0.682)

\(DTWEr^{Y(L)}\)

px

2277 ± 924 (× 10)

1.301 ± 253 (× 10)

1.202 (< 0.001*)

0.684 (<0.001*)

0.552 (0.004*)

\(DTWEr^{Y(R)}\)

px

2705 ± 117 (× 10)

1.471 ± 250 (× 10)

1.209 (< 0.001*)

0.290 (0.159)

0.109 (0.604)

\(AcAlt^{X(L)}\)

times

33.5 ± 12.5

22.1 ± 4.7

0.984 (< 0.001*)

0.522 (0.008*)

0.507 (0.010*)

\(AcAlt^{X(R)}\)

times

35.7 ± 14.5

20.9 ± 2.9

1.163 (< 0.001*)

0.553 (0.004*)

0.271 (0.191)

\(AcAlt^{Y(L)}\)

times

25.7 ± 11.7

16.1 ± 3.6

0.926 (< 0.001*)

0.275 (0.184)

0.317 (0.122)

\(AcAlt^{Y(R)}\)

times

26.7 ± 12.1

14.1 ± 2.5

1.191 (< 0.001*)

0.202 (0.332)

0.105 (0.618)

FTT

\(FuEn^{AcX(L)}\)

nat

1.096 ± 0.321

1.422 ± 0.240

1.075 (< 0.001*)

0.345 (0.092)

0.117 (0.578)

\(FuEn^{AcX(R)}\)

nat

1.147 ± 0.299

1.512 ± 0.348

1.175 (< 0.001*)

0.161 (0.442)

− 0.043 (0.837)

\(FuEn^{AcZ(R)}\)

nat

0.914 + 0.257

1.088 + 0.344

0.621 (0.049*)

0.569 (0.003*)

0.397 (0.049*)

\(FuEn^{GyX(R)}\)

nat

0.107 + 0.065

0.168 + 0.098

0.824 (0.019*)

0.138 (0.509)

− 0.068 (0.746)

DDKT

\(RF^{AngY(R)}\)

Hz

40.331 ± 15.166

23.212 ± 20.086

1.037 (0.002*)

− 0.017 (0.936)

− 0.033 (0.877)

\(MR^{AngX(R)}\)

mV

10.945 + 10.046

6.675 + 7.174

0.453 (0.028*)

0.256 (0.216)

0.373 (0.066)

\(MR^{AngY(R)}\)

mV

3.383 + 1.630

4.561 + 1.892

0.694 (0.029*)

− 0.328 (0.110)

− 0.292 (0.157)

\(RF^{AcZ(L)}\)

Hz

1.900 + 1.245

2.187 + 1.104

0.237 (0.049*)

− 0.322 (0.116)

− 0.220 (0.291)

\(MR^{AcX(L)}\)

mV

2.026 + 1.395

2.675 + 1.774

0.433 (0.033*)

− 0.133 (0.527)

− 0.068 (0.748)

\(MR^{AcX(R)}\)

mV

1.965 ± 1.225

3.492 ± 2.023

1.045 (0.002*)

− 0.031 (0.885)

0.104 (0.621)

\(MR^{AcZ(L)}\)

mV

1.413 ± 0.441

1.892 ± 0.375

1.126 (< 0.001*)

− 0.481 (0.015*)

− 0.354 (0.083)

\(MR^{AcZ(R)}\)

mV

1.550 ± 0.551

1.964 ± 0.399

0.800 (0.002*)

− 0.345 (0.093)

− 0.148 (0.481)

FNT

\(RF^{AAcX(R)}\)

Hz

3.289 ± 2.353

5.721 ± 3.417

0.916 (0.004*)

0.097 (0.644)

0.036 (0.866)

\(MR^{AAcX(L)}\)

mV

5.151 ± 3.174

8.022 ± 3.018

0.915 (0.003*)

− 0.295 (0.152)

− 0.283 (0.170)

\(MR^{AAcY(L)}\)

mV

7.879 ± 4.558

15.824 ± 5.116

1.690 (< 0.001*)

− 0.429 (0.032*)

− 0.483 (0.015*)

\(MR^{AAcY(R)}\)

mV

8.809 + 5.296

12.805 + 5.122

0.761 (0.014*)

− 0.369 (0.069)

− 0.344 (0.092)

\(MR^{AAcZ(L)}\)

mV

3.729 + 2.417

5.646 + 3.215

0.727 (0.028*)

− 0.359 (0.078)

− 0.467 (0.022*)

  1. Data are shown in mean ± standard deviation
  2. CA subjects with cerebellar ataxia, HC controls, ES effect size, CC correlation coefficient (Spearman)
  3. *p-value < 0.05