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Table 1 CNV features comparison in different CNV types

From: Copy number variants (CNVs) analysis in a deeply phenotyped cohort of individuals with intellectual disability (ID)

  Common CNVs Familial CNVs De novo CNVs Overall for the cohort
Number of CNVs 479 27 21 527
Patients 78 22 18 78
CNVs/subject 6.14 1.23 1.17 6.77
Mean CNV size (Mb) 0.42 0.70 3.14 0.54
Median CNVs size (Mb) 0.14 0.43 2.46 0.14
Range of CNV size (Mb) 0.01–9.68 0.03–4.36 0.31–9.78 0.01–9.78
Genes/CNV 5.12 7.04 33.1 6.34
Proportion of large CNVs (>1 Mb) 0.14 0.22 0.71 0.17
Proportion of deletion 0.59 0.30 0.67 0.58
Median modified De Vries Score 5 4.5 5 5