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Table 1 Five categories of early signs: number of cases and percentage

From: Early features of autism spectrum disorder: a cross-sectional study

Social interaction and relationships98/ 105
93.3%
Language97/ 105
92.4%
Stereotyped behaviors and activities82/ 105
78.1%
Motor skills60/ 105
57.1%
Regulation: feeding disorders46/ 105
43.8%
Abnormal social interaction with peers80/ 105
76.2%
Language delay59/ 105
56.2%
Psychomotor agitation/aggression47/ 105
44.8%
Gross motor developmental delay46/ 105
43.8%
Selective feeding27/ 105
25.7%
Abnormal social interaction with parents/caregivers22/ 105
21.0%
Regression/stagnation31/ 105
29.5%
Hypoactivity17/ 105
16.2%
Absence of sucking reflex17/ 105
16.2%
Scarce feeding12/ 105
11.4%
Absence of stranger anxiety29/ 105
27.6%
Echolalia15/ 105
14.3%
Stereotypies48/ 105
45.7%
Fine motor development delay8/ 105
7.6%
Other feeding disorders25/ 105
23.8%
Lack of social smile25/ 105
23.8%
Comprehension deficit54/ 105
51.4%
Atypical games44/ 105
41.9%
Neonatal hypotonia9/ 105
8.6%
Regulation: sleep disorders34/ 105
32.4%
Eye deviation/absence direct gaze44/ 105
41.9%
Speech not acquired before 3 years31/ 105
29.5%
Abnormal sensory interests13/ 105
12.4%
Hypotonia in the first 3 years of age9/ 105
8.6%
  
Joint attention (impairment)10/ 105
9.5%
Other language abnormalities20/ 105
19.0%
Psychomotor agitation onset in months (average)19.9Tonic dialogue disorder8/ 105
7.6%
  
Absence of response to name20/ 105
19.0%
Babbling onset months (average)9.8 (62 patients)Stereotypies onset in months (average)24.0    
Reactivity and social orienting (impairment)34/ 105
32.4%
First word months (average)20.0 (80 patients)Hypoactivity onset in months (average)≤ 24    
Communicative gestures (impairment)total36/ 105
34.3%
First phrase months (average)34.1 (25 patients)      
pointing32/ 105
30.5%
        
imitation7/ 105
6.7%
        
Age at onset in months of social interaction and relationship category of early signs (average)19.7