Table 1.
Characteristics of the 872 children with ASD in the NARCI database.
| Variable | Children with Exome (N = 182) | Children without Exome (N = 690) | p-Value | |
|---|---|---|---|---|
| Gender (Male) | 139 (76.4%) | 555 (80.4%) | 0.2844 a | |
| Ethnicity (Bedouin) | 47 (25.8%) | 165 (23.9%) | 0.5512 a | |
| Diagnosis age (years; mean, SD) | 3.01 (1.43) | 3.35 (1.37) | 0.0004 b | |
| IQ (mean, SD) | 72.71 (18.79) | 75.37 (17.89) | 0.1516 b | |
| ADOS module (N = 705) |
Toddler | 57 (39.3%) | 150 (26.8%) | 0.0165 c |
| 1 | 57 (39.3%) | 239 (42.7%) | ||
| 2 | 18 (12.4%) | 111 (19.8%) | ||
| 3 | 13 (9.0%) | 60 (10.7%) | ||
| ADOS comparison score (mean, SD) | 7.47 (2.3) | 6.65 (2.3) | <0.0001 b | |
| DSM-5 severity level (A) # (N = 782) |
1 | 12 (7.6%) | 112 (17.9%) | 0.0014 c |
| 2 | 68 (43.0%) | 266 (42.6%) | ||
| 3 | 78 (49.4%) | 246 (39.4%) | ||
| DSM-5 severity level (B) # (N = 782) |
1 | 15 (9.5%) | 145 (23.2%) | <0.0001 c |
| 2 | 83 (52.5%) | 310 (49.7%) | ||
| 3 | 60 (38.0%) | 169 (27.0%) | ||
Values are numbers of participants, with percentages in parentheses, unless specified otherwise. # DSM-5 severity levels: 1—“Requiring support”; 2—“Requiring substantial support”; 3—“Requiring very substantial support”. a χ2 test; b Mann-–Whitney U test; c χ2 linear-by-linear test.