Table 2a. Single gene tests before WES per category.

Categories	Subcategories	No. of individuals with single gene test(s) (%)	No. of single gene tests (per individual)	No. of individuals with GJB2/GJB6 test (%)
Total		137 (68.5%)	306 (1.5)	80 (40%)
WES result	Causative variant(s)	45 (67.2%)	101 (1.5)	32 (47.8%)
	Variant(s) of uncertain significance	8 (80.0%)	17 (1.7)	4 (36.4%)
	No detected causative variant(s)	84 (68.3%)	188 (1.5)	44 (35.8%)
Inheritance	adHI	45 (68.2%)	106 (1.6)	11 (16.7%)
	arHI	24 (77.4%)	43 (1.4)	17 (54.8%)
	Isolated HI	67 (55.8%)	154 (1.5)	51 (50.0%)
	X-linked HI	1 (100.0%)	3 (3.0)	1 (100.0%)