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Table 3. Comparison of clinical outcomes in DCM patients with or without truncating variants.

Characteristic Carrier Non-carrier p value Truncation Non-truncation p value
Patients, n 33 37 11 59
Age of onset, y 53.4 52.7 0.838 52.0 53.2 0.788
NYHA III or IV, % 6 (20.0%) 9 (30.6%) 0.333 2 (22.2%) 15 (20.3%)
LVEDD, mm 62.9 68.6 0.015 62.4 66.6 0.18
LA, mm 44.4 47.0 0.331 46.6 45.7 0.789
LVEF, % 31.0 27.4 0.196 33.6 28.3 0.185
BNP, pg/ml 812 1184 0.284 1121 1002 0.859
Reversibility, % 5 (15.2%) 9 (24.3%) 0.342 1 (9.1%) 13 (22.0%) 0.328
All mortality, % 4 (12.1%) 4 (10.8%) 0.361 1 (9.1%) 7 (11.9%) 0.792
Cardiac mortality, % 2 (6.1%) 3 (8.1%) 0.742 1 (9.1%) 4 (6.8%) 0.947
Stroke, % 1 (3.0%) 3 (8.1%) 0.361 0 (0) 4 (6.8%) 0.377
ICD implant, % 6 (18.2%) 9 (24.3%) 0.535 3 (27.3%) 12 (20.3%) 0.609
HF hospitalization, % 5 (15.2%) 11 (29.7%) 0.150 1 (9.1%) 15 (25.4%) 0.240

BNP, B-type natriuretic peptide; DCM, dilated cardiomyopathy; HF, heart failure; ICD, implantable cardioverter-defibrillator; LA, Left atrium; LVEDD, left ventricular end-diastolic diameter; LVEF, left ventricular ejection fraction; NYHA, New York Heart Failure Association functional class.