Table 1.

Five categories of early signs: number of cases and percentage

Social interaction and relationships		98/ 105 93.3%	Language	97/ 105 92.4%	Stereotyped behaviors and activities	82/ 105 78.1%	Motor skills	60/ 105 57.1%	Regulation: feeding disorders	46/ 105 43.8%
Abnormal social interaction with peers		80/ 105 76.2%	Language delay	59/ 105 56.2%	Psychomotor agitation/aggression	47/ 105 44.8%	Gross motor developmental delay	46/ 105 43.8%	Selective feeding	27/ 105 25.7%
Abnormal social interaction with parents/caregivers		22/ 105 21.0%	Regression/stagnation	31/ 105 29.5%	Hypoactivity	17/ 105 16.2%	Absence of sucking reflex	17/ 105 16.2%	Scarce feeding	12/ 105 11.4%
Absence of stranger anxiety		29/ 105 27.6%	Echolalia	15/ 105 14.3%	Stereotypies	48/ 105 45.7%	Fine motor development delay	8/ 105 7.6%	Other feeding disorders	25/ 105 23.8%
Lack of social smile		25/ 105 23.8%	Comprehension deficit	54/ 105 51.4%	Atypical games	44/ 105 41.9%	Neonatal hypotonia	9/ 105 8.6%	Regulation: sleep disorders	34/ 105 32.4%
Eye deviation/absence direct gaze		44/ 105 41.9%	Speech not acquired before 3 years	31/ 105 29.5%	Abnormal sensory interests	13/ 105 12.4%	Hypotonia in the first 3 years of age	9/ 105 8.6%
Joint attention (impairment)		10/ 105 9.5%	Other language abnormalities	20/ 105 19.0%	Psychomotor agitation onset in months (average)	19.9	Tonic dialogue disorder	8/ 105 7.6%
Absence of response to name		20/ 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)	total	36/ 105 34.3%	First phrase months (average)	34.1 (25 patients)
	pointing	32/ 105 30.5%
	imitation	7/ 105 6.7%
Age at onset in months of social interaction and relationship category of early signs (average)		19.7