Parameter | NMDA | Test of significance | ||||
---|---|---|---|---|---|---|
Negative | Positive | |||||
Mean ± SD | Mean ± SD | Value | p-value | Sig. | ||
N (%) | N (%) | |||||
Gross motor milestones | Adequate | 44 (68.75%) | 23 (100%) | X2 = 9.33 | 0.002(C) | S |
Delayed | 20 (31.25%) | 0 (0%) | ||||
Fine motor milestones | Adequate | 33 (51.56%) | 20 (86.96%) | X2 = 8.90 | 0.003(C) | S |
Delayed | 31 (48.44%) | 3 (13.04%) | ||||
Speech stage | Preverbal | 55 (85.94%) | 14 (60.87%) | 0.017(F) | S | |
Phrase | 9 (14.06%) | 9 (39.13%) | ||||
Regression | None reported | 28 (43.75%) | 7 (30.43%) | X2 = 1.248 | 0.264(C) | NS |
Present | 36 (56.25%) | 16 (69.57%) | ||||
Age when regression was noticed—months | 9 (0–24) | 12 (0–24) | U = 677.0 | 0.554(M) | NS |