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Table 4 Group means, standard deviations, and 95% CI for the reach-to-grasp measures

From: The reach-to-grasp movement in infants later diagnosed with autism spectrum disorder: a high-risk sibling cohort study

Measure LR HR-N HR-ASD
Orient .65 ± .26 (.56–.75) .65 ± .26 (.56–.75) .81 ± .26 (.72–.91)
 Engage .20 ± .14 (.15–.25) .24 ± .15 (.19–.29) .20 ± .13 (.16–.25)
 Disengage .41 ± .17 (.35–.47) .51 ± .18 (.44–.57) .51 ± .16 (.45–.57)
LIFT 1.03 ± .50 (1.12–1.48) 1.39 ± .54 (1.19–1.58) 1.73 ± .48 (1.56–1.90)
 Elbow flex .10 ± .11 (.06–.13) .13 ± .12 (.09–.17) .18 ± .10 (.14–.21)
 Digits flex .40 ± .18 (.34–.47) .44 ± .19 (.37–.51) .53 ± .17 (.47–.59)
 Supinate .36 ± .17 (.30–.42) .34 ± .17 (.27–.41) .46 ± .17 (.40–.52)
 Tips to midline .44 ± .18 (.38–.51) .48 ± .19 (.41–.55) .57 ± .17 (.51–.63)
Advance .45 ± .21 (.38–.53) .49 ± .22 (.41–.57) .56 ± .20 (.49–.64)
 Hand path .25 ± .13 (.20–.29) .28 ± .14 (.23–.33) .28 ± .13 (.24–.33)
 Hand to target .20 ± .12 (.15–.24) .21 ± .12 (.16–.25) .26 ± .11 (.22–.30)
 Trunk lean .01 ± .05 (.00–.03) .00 ± .05 (.00–.02) .02 ± .05 (.01–.04)
Pronation .82 ± .32 (.70–.93) .91 ± .35 (.78–1.03) 1.10 ± .31 (.99–1.21)
 Digits open .44 ± .20 (.37–.52) .51 ± .22 (.43–.59) .59 ± .19 (.52–.66)
 Knuckle .37 ± .16 (.32–.43) .40 ± .17 (.33–.46) .51 ± .15 (.45–.56)
 Elbow extend .001 ± .02 (.0–.01) .01 ± .01 (.00–.01) .00 ± .01 (.00–.01)
Grasp .93 ± .23 (.85–1.01) .89 ± .25 (.81–.98) .96 ± .22 (.88–1.04)
 Appropriate grasp .23 ± .14 (.18–.28) .24 ± .15 (.18–.29) .25 ± .13 (.20–.30)
 Wrist extend .70 ± .19 (.63–.76) .66 ± .20 (.59–.73) .71 ± .18 (.65–.76)
Reach-to-grasp 4.15 ± 1.04 (3.78–4.53) 4.52 ± 1.12 (4.11–4.92) 5.17 ± 0.99 (4.81–5.53)