Table 3. Unclassified GJB2 variants in Patients with NSHL.

Variants	Number of patients	Clinical information
		HL	Onset age (Years)
Homozygous
c.95G>A/ c.95G>A	1	Profound	Unclear
c.109G>A /c.109G>A	2	Mild	3
		Profound	6 months
Heterozygous
c.23C>T	1	Severe	1
c.109G>A	40	Moderate-profound	Did not pass NBHS*~4
c.283G>A	2	Severe-profound	6 months~5
c.408C>A	1	Profound	5
c.416G>A	1	Severe	6
c.571T>C	2	Severe, profound	6 months ~2
Total	50

*NBHS: Newborn hearing screening