Psychomotor Development in Cri du Chat Syndrome: Comparison in Two Italian Cohorts with Different Rehabilitation Methods

Table 1

Demographic and cytogenetic features of the two groups of CdCS patients.

	Mayer Project		Non-Mayer Project
Number of patients	13		15
M/F	9M	4F	7M	8F
Mean age at data collection, years (range)	6.5 (3–9)		7 (2–9)
Gestational age at birth, weeks (range)	36.83 (32–40)		37.13 (28–40)
Associated malformations	—		—
Head circumference at term or corrected as to 40-week gestational age	34		31.5
Standard karyotype: 5 p−
Break point in band
15.2	1		2
15.1	2		—
14	8		7
13	1		1
Interstitial deletion	1		3
Unbalanced translocation	—		2