Table 2.
MOVIDEA kinematic parameters’ means (SD) of the three groups of infants (LR, HR-no diagnosis, and HR-NDD).
| Parameter | LR | HR-No Diagnosis | HR-NDD | |||
|---|---|---|---|---|---|---|
| n | Mean (SD) | n | Mean (SD) | n | Mean (SD) | |
| Qmean | ||||||
| 10 days | 31 | 0.008 (0.006) | 15 | 0.008 (0.003) | 7 | 0.006 (0.005) |
| 6 weeks | 43 | 0.012 (0.008) | 21 | 0.014 (0.005) | 12 | 0.016 (0.009) |
| 12 weeks | 46 | 0.011 (0.006) | 24 | 0.015 (0.009) | 13 | 0.019 (0.005) |
| 18 weeks | 36 | 0.010 (0.007) | 23 | 0.018 (0.011) | 8 | 0.012 (0.005) |
| 24 weeks | 28 | 0.011 (0.009) | 13 | 0.016 (0.009) | 14 | 0.017 (0.009) |
| Cxsd | ||||||
| 10 days | 31 | 58.210 (21.422) | 15 | 46.589 (13.116) | 7 | 53.976 (13.967) |
| 6 weeks | 43 | 51.999 (13.722) | 21 | 43.243 (10.278) | 12 | 43.372 (9.371) |
| 12 weeks | 46 | 54.223 (14.314) | 24 | 41.800 (10.001) | 13 | 39.843 (9.384) |
| 18 weeks | 36 | 57.612 (16.725) | 23 | 49.113 (23.310) | 8 | 48.621 (15.325) |
| 24 weeks | 28 | 55.010 (15.419) | 13 | 52.645 (19.299) | 14 | 53.890 (16.267) |
| Cysd | ||||||
| 10 days | 31 | 72.398 (31.810) | 15 | 78.819 (34.812) | 7 | 78.012 (23.567) |
| 6 weeks | 43 | 57.223 (19.110) | 21 | 68.222 (23.111) | 12 | 65.830 (21.765) |
| 12 weeks | 46 | 55.230 (20.111) | 24 | 68.450 (20.701) | 13 | 62.692 (18.991) |
| 18 weeks | 36 | 58.716 (25.416) | 23 | 68.412 (24.411) | 8 | 71.768 (26.802) |
| 24 weeks | 28 | 62.320 (18.799) | 13 | 63.899 (23.789) | 14 | 68.175 (16.267) |
| Acmean | ||||||
| 10 days | 31 | −0.015 (0.071) | 15 | 0.017 (0.052) | 7 | 0.161 (0.307) |
| 6 weeks | 43 | −0.002 (0.024) | 21 | −0.002 (0.028) | 12 | −0.001 (0.043) |
| 12 weeks | 46 | −0.004 (0.030) | 24 | 0.001 (0.027) | 13 | −0.005 (0.015) |
| 18 weeks | 36 | 0.016 (0.052) | 23 | −0.005 (0.033) | 8 | −0.011 (0.034) |
| 24 weeks | 28 | −0.017 (0.139) | 13 | −0.002 (0.041) | 14 | −0.023 (0.030) |
| Vcmean | ||||||
| 10 days | 31 | 26.835 (7.432) | 15 | 23.040 (5.128) | 7 | 24.640 (5.665) |
| 6 weeks | 43 | 28.396 (6.225) | 21 | 24.624 (5.356) | 12 | 24.250 (4.036) |
| 12 weeks | 46 | 31.726 (7.301) | 24 | 26.374 (5.170) | 13 | 24.194 (4.570) |
| 18 weeks | 36 | 32.792 (8.828) | 23 | 27.730 (9.116) | 8 | 28.687 (6.638) |
| 24 weeks | 28 | 28.652 (7.402) | 13 | 27.884 (10.032) | 14 | 27.466 (8.335) |
| H-periodicity | ||||||
| 10 days | 31 | 0.034 (0.012) | 15 | 0.035 (0.006) | 7 | 0.030 (0.004) |
| 6 weeks | 43 | 0.041 (0.011) | 21 | 0.040 (0.013) | 12 | 0.046 (0.014) |
| 12 weeks | 46 | 0.041 (0.010) | 24 | 0.044 (0.018) | 13 | 0.049 (0.013) |
| 18 weeks | 36 | 0.039 (0.010) | 23 | 0.042 (0.018) | 8 | 0.038 (0.010) |
| 24 weeks | 28 | 0.043 (0.013) | 13 | 0.049 (0.023) | 14 | 0.043 (0.011) |
| F-periodicity | ||||||
| 10 days | 31 | 0.032 (0.007) | 15 | 0.035 (0.007) | 7 | 0.031 (0.003) |
| 6 weeks | 43 | 0.043 (0.011) | 21 | 0.045 (0.014) | 12 | 0.052 (0.018) |
| 12 weeks | 46 | 0.047 (0.015) | 24 | 0.053 (0.022) | 13 | 0.052 (0.017) |
| 18 weeks | 36 | 0.042 (0.015) | 23 | 0.047 (0.016) | 8 | 0.037 (0.010) |
| 24 weeks | 28 | 0.044 (0.014) | 13 | 0.042 (0.012) | 14 | 0.043 (0.010) |
LR: Low-risk infants with typical development; HR-no diagnosis: High-risk infants who did not receive any diagnosis; HR-NDD: High-risk infants diagnosed with NDDs. Qmean: Quantity of motion; Cxsd: Standard deviation in the X direction of centroid of motion; Cysd: Standard deviation in the Y direction of centroid of motion; Acmean: Mean acceleration of centroid of motion; Vcmean: Mean velocity of centroid of motion; H-periodicity: Periodicity for the left and right hands; F-periodicity: Periodicity for the left and right feet.