Kleefstra syndrome affects males and females equally and approximately 75% of all documented cases are caused by Eu-HMTase1 disruptions while only 25% are caused by<unk> .3 deletions. There are no statistics on the effect the disease has on life expectancy due to the lack of information available.
9q34 deletion syndrome
13q deletion syndrome
22q13 deletion syndrome
2q37 deletion syndrome
22q11.2 distal deletion syndrome
1q21.1 deletion syndrome
1p36 deletion syndrome
17q12 microdeletion syndrome