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
|
- SD Standard deviation, N Number, S Significant, NS Not significant, (T)Student’s t-test of significance (t = Student’s t-test value). (C)Chi-square test of significance (X2 = chi-square test value). (F)Monte-Carlo Fisher’s exact test of significance. (M)Mann-Whitney’s test of significance (U = Mann-Whitney’s test value)