Table 1 Comparison between the case and control groups in age, school attendance, consanguinity, and speech development
Group | Test of significance | |||||
|---|---|---|---|---|---|---|
Control | Case | |||||
Mean ± SD N (%) | Mean ± SD N (%) | Value | p-value | Sig. | ||
Age | 9.86 ± 2.72 | 9.26 ± 2.86 | t = 1.076 | 0.285 | NS | |
School | No | 0 (0%) | 8 (16%) | Fisher’s exact test | <0.001 | S |
Yes | 50 (100%) | 23 (46%) | ||||
Home-schooled | 0 (0%) | 19 (38%) | ||||
Speech | Normal | 46 (92%) | 20 (40%) | Fisher’s exact test | <0.001 | S |
Delayed yet improved | 4 (8%) | 1 (2%) | ||||
Delayed till now | 0 (0%) | 29 (58%) | ||||
Consanguinity | No | 36 (72%) | 36 (72%) | χ2 = 15.556 | <0.001 | S |
1st | 0 (0%) | 10 (20%) | ||||
2nd | 14 (28%) | 4 (8%) | ||||