Table 1. Clinical and phenotypic features of affected individuals of PKMR13.

Patient ID	III:3	III:4
Gender	F	M
Age	34	32
IDa level	Moderateb	Moderateb
Speech	Not understandable	Not understandable
Eye abnormality	Night blindness	No
Epilepsy	Yes	Yes
Hypotonic	Yes	Yes
Gait	Balance problem	Balance problem
Behavioral problems	Aggressive	Aggressive
Weight (kg)	62	90
Height (inches)	63	71
Head circumference (cm)	53.5	56.5

Abbreviations: F, female; M, male.

^aIntellectual disability.

^bModerate intelligence quotient (IQ 35–49).