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Table 2 The pattern of underlying genetic mechanisms in our cohort

From: Genetic testing for Prader-Willi syndrome and Angelman syndrome in the clinical practice of Guangdong Province, China

Total patients (50) Microdeletion UPD IC defect UBE3A Unknown
PWS patients (36) 30 6 0 0
Percentage 83.3% 16.7% 0% 0%
AS patients (14) 12 1 0 1 0
Percentage 85.7% 7.1% 0% 7.1% 0%