Extended Data Table 1 Clinical characteristics of 241 individuals with autosomal recessive CM caused by biallelic variants in 18 validated genes

From: Exploring the complex spectrum of dominance and recessiveness in genetic cardiomyopathies

  

All (n=241)

DCM (n=122)

HCM (n=53)

Cardiomyopathy

DCM

122 (50.6%)

–

–

HCM

53 (22.0%)

–

–

Other

66 (27.4%)

–

–

Sex assigned at birth

Female

109 (45.2%)

52 (42.6%)

21 (39.6%)

Male

128 (53.1%)

66 (54.1%)

32 (60.4%)

Unknown

4 (1.7%)

4 (3.3%)

0 (0%)

Age of onset (years)

Mean (SD)

12.2 (14.9)

8.51 (11.4)

25.4 (16.4)

Median [Min, Max]

4.00 [0, 69.0]

3.00 [0, 56.0]

24.0 [0, 69.0]

Unknown

22 (9.1%)

15 (12.3%)

3 (5.7%)

Age of outcome (years)

Mean (SD)

17.7 (19.0)

13.9 (15.8)

37.9 (17.7)

Median [Min, Max]

11.5 [0, 78.0]

7.00 [0, 59.0]

37.5 [0.33, 78.0]

Unknown

29 (12.0%)

13 (10.7%)

5 (9.4%)

Outcomes

Alive

98 (40.7%)

37 (30.3%)

42 (79.2%)

Deceased

100 (41.5%)

54 (44.3%)

4 (7.5%)

Heart transplant

26 (10.8%)

20 (16.4%)

3 (5.7%)

LVAD

6 (2.5%)

6 (4.9%)

0 (0%)

Unknown

11 (4.6%)

5 (4.1%)

4 (7.5%)

Variant zygosity

Compound heterozygous

64 (26.6%)

32 (26.2%)

6 (11.3%)

Double heterozygous

12 (5.0%)

5 (4.1%)

7 (13.2%)

Homozygous

165 (68.5%)

85 (69.7%)

40 (75.5%)

Variant class

Biallelic truncating

112 (46.5%)

74 (60.7%)

24 (45.3%)

Biallelic non-truncating

104 (43.2%)

35 (28.7%)

21 (39.6%)

Biallelic mixed

25 (10.4%)

13 (10.7%)

8 (15.1%)

  1. DCM, dilated cardiomyopathy; HCM, hypertrophic cardiomyopathy; LVAD. Left ventricular assist device; SD, standard deviation.