Table 5.

Diagnostic yield by investigation for cases where the primary indication listed for metabolic testing was seizures.

Investigation	Patients presenting with seizures (n = 66)
WES	2 (3%)
Microarray	2 (3%)
MRI	36 (54%)
Metabolic screening	3 (5%)
Genetic panel	5 (8%)
No diagnosis/other	18 (27%)