Table 4.

Molecular Detection Rates by Referral Setting

Practice group	‘Geneticists’	‘Non-Geneticists’	Σ
Abnormality detected	n = 313	n = 79	n = 392
No molecular abnormality	n = 658	n = 163	n = 821
Detection rate	32.2%	32.6%	32.3%

For explanation of ‘geneticists’ and ‘non-geneticists’ see Results and Discussion.