From: Initial action output and feedback-guided motor behaviors in autism spectrum disorder
 | Coefficient of variation—15% MVC | Coefficient of variation—45% MVC | Coefficient of variation—85% MVC | Coefficient of variation—0.06 degrees | Coefficient of variation—0.62 degrees | Coefficient of variation—21.13 degrees | Saccade gain variability |
---|---|---|---|---|---|---|---|
Approximate entropy—15% MVC | |||||||
 Control | |||||||
  Pearson correlation | − 0.418* | − 0.572* | − 0.420* | − 0.265 | − 0.363* | − 0.398* | − 0.412* |
  p-value (2-tailed) | < .001 | < .001 | < .001 | 0.057 | 0.006 | 0.003 | 0.002 |
  N | 72 | 68 | 66 | 52 | 55 | 54 | 55 |
 ASD | |||||||
Pearson correlation | − 0.652* | − 0.615* | − 0.396* | − 0.673* | − 0.529* | − 0.332* | − 0.272 |
p-value (2-tailed) | < .001 | < .001 | 0.001 | < .001 | < .001 | 0.048 | 0.043 |
N | 75 | 71 | 69 | 37 | 42 | 36 | 56 |
Approximate entropy—45% MVC | |||||||
 Control | |||||||
  Pearson correlation | − 0.416* | − 0.710* | − 0.518* | − 0.538* | − 0.468* | − 0.501* | − 0.479* |
  p-value (2-tailed) | < .001 | < .001 | < .001 | < .001 | 0.001 | < .001 | < .001 |
  N | 68 | 68 | 66 | 48 | 51 | 50 | 53 |
 ASD | |||||||
  Pearson correlation | − 0.473* | − 0.715* | − 0.594* | − 0.519* | − 0.350 | − 0.568* | − 0.307 |
  p-value (2-tailed) | < .001 | < .001 | < .001 | 0.001 | 0.025 | < .001 | 0.022 |
  N | 71 | 71 | 68 | 36 | 41 | 35 | 55 |
Approximate entropy—85% MVC | |||||||
 Control | |||||||
  Pearson correlation | − 0.342* | − 0.553* | − 0.669* | − 0.380* | − 0.344 | − 0.319 | − 0.412* |
  p-value (2-tailed) | 0.005 | < .001 | < .001 | 0.009 | 0.015 | 0.027 | 0.002 |
  N | 66 | 66 | 66 | 46 | 49 | 48 | 52 |
 ASD | |||||||
  Pearson correlation | − 0.285* | − 0.471* | − 0.516* | − 0.365 | − 0.139 | − 0.27 | − 0.258 |
  p-value (2-tailed) | 0.018 | < .001 | < .001 | 0.037 | 0.405 | 0.135 | 0.064 |
  N | 69 | 68 | 69 | 33 | 38 | 32 | 52 |
Approximate entropy—0.06 degrees | |||||||
 Control |  |  |  |  |  |  |  |
  Pearson correlation | − 0.475* | − 0.583* | − 0.562* | − 0.535* | − 0.451* | − 0.381* | − 0.165 |
  p-value (2-tailed) | < .001 | < .001 | < .001 | < .001 | 0.001 | 0.006 | 0.316 |
  N | 52 | 48 | 46 | 52 | 52 | 51 | 39 |
 ASD | |||||||
  Pearson correlation | − 0.585* | − 0.487* | − 0.586* | − 0.645* | − 0.519* | − 0.359* | − 0.048 |
  p-value (2-tailed) | < .001 | 0.003 | < .001 | < .001 | 0.001 | 0.047 | 0.795 |
  N | 37 | 36 | 33 | 37 | 37 | 31 | 32 |
Approximate entropy—0.62 degrees | |||||||
 Control | |||||||
  Pearson correlation | − 0.540* | − 0.618* | − 0.509* | − 0.496* | − 0.613* | − 0.482* | − 0.137 |
  p-value (2-tailed) | < .001 | < .001 | < .001 | < .001 | < .001 | < .001 | 0.399 |
  N | 55 | 51 | 49 | 52 | 55 | 54 | 40 |
 ASD | |||||||
  Pearson correlation | − 0.735* | − 0.524* | − 0.466* | − 0.666* | − 0.746* | − 0.510* | − 0.25 |
  p-value (2-tailed) | < .001 | < .001 | 0.003 | < .001 | < .001 | 0.001 | 0.154 |
  N | 42 | 41 | 38 | 37 | 42 | 36 | 34 |
Approximate entropy—21.13 degrees | |||||||
 Control | |||||||
  Pearson correlation | − 0.419* | − 0.548* | − 0.282 | − 0.378* | − 0.412* | − 0.670* | − 0.074 |
  p-value (2-tailed) | 0.002 | < .001 | 0.052 | 0.006 | 0.002 | < .001 | 0.652 |
  N | 54 | 50 | 48 | 51 | 54 | 54 | 40 |
ASD | |||||||
  Pearson correlation | − 0.407* | − 0.754* | − 0.488* | − 0.436 | − 0.292 | − 0.800* | − 0.039 |
  p-value (2-tailed) | 0.014 | < .001 | 0.005 | 0.014 | 0.084 | < .001 | 0.84 |
  N | 36 | 35 | 32 | 31 | 36 | 36 | 30 |