Table 3.

Distribution of Clinically Significant DNA Variants Identified by Gene

Gene	No. of Patients Tested	Mutations,* % (n)
MYH7	241	6.6 (16)
TNNT2	241	3.7 (9)
TPM1	240	1.7 (4)
MYBPC3	240	0.8 (2)
TNNI3	240	0.8 (2)
ACTC	222	0.9 (2)
LMNA	208	5.3 (11)
LDB3	201	0 (0)
TAZ	203	0 (0)
PLN	200	0 (0)
Overall	264	17.4 (46)

Six variants identified in multivariant cases were not included, to avoid double counting.

^*Mutation refers to the presence of a clinically significant variant (grade ≥5 by our classification criteria).