Table 2

 Major features in 39 Dutch patients with CdLS, depending on the result of the molecular studies (middle three columns) and the clinical phenotype (last three columns)

FeatureTotalMolecular findingsClinical phenotype
Truncating mutationsMissense mutationsNo mutationsClassic typeMild typePossible CdLS
*p<0.05; **p<0.01.
Number of patients39195152784
Sex (M/F)19/2013/61/46/914/116/11/3
Mean weight (g) at birth (M/F)2454/22342377/ 18423100/2433246024612277*/19672716/ 26002650/ 3000
Mean adult weight (kg)50.9138.97**66.656.9842.0551.468.5
Mean adult height (m)1.441.421.471.481.26*1.531.35
Postnatal growth
    >P757223142
    P25−P751993815**22
    <P2586117**00
Skull growth
    >−2SD6213222
    <−2SD and >−4SD177461041
    <−4SD1270510**11
Limb
    No reduction defect3195172064
    Partial reduction defect1100100
    Severe reduction defect5401410
Face
    Classic type271737
    Mild type8224
    Possible CdLS4004
VABS
    Normal/borderline0000000
    Mildly/moderately impaired11605532
    Severely/profoundly impaired25124918**52
DISCO
    Autism24132920**12
    No autism12525362
DBC
    Autism22102101632
    No autism14734742