| All patients | Patients with HOCM |  | P value |
---|---|---|---|---|
(n = 69) | With fQRS | Without fQRS | ||
 | (n = 38) | (n = 31) | ||
Age,years | 46.1 ± 14.4 | 43.7 ± 15.6 | 49 ± 12.3 | 0.129 |
Male,% | 43 (62.3) | 22 (57.9) | 21 (67.7) | 0.401 |
Dyspnea,% | 61 (88.4) | 34 (89.5) | 27 (87.1) | 1 |
NYHA III/IV,% | 22 (31.9) | 13 (34.2) | 9 (29) | 0.646 |
History of syncope,% | 19 (27.5) | 13 (34.2) | 6 (19.4) | 0.169 |
History of hypertension,% | 15 (21.7) | 6 (15.8) | 9 (29) | 0.185 |
History of diabetes mellitus,% | 6 (8.7) | 4 (10.5) | 2 (6.5) | 0.867 |
Family history of HCM or SCD,% | 5 (7.2) | 2 (5.3) | 3 (9.7) | 0.813 |
NSVT,% | 12 (17.4) | 7 (18.4) | 5 (16.1) | 0.803 |
AF,% | 9 (13) | 5 (13.2) | 4 (12.9) | 1 |
Bundle branch block,% | 4 (5.8) | 2 (5.3) | 2 (6.5) | 1 |
ICD,% | 0 (0) | 0 (0) | 0 (0) | 1 |
SAM,% | 68 (98.6) | 38 (100) | 30 (96.8) | 0.449 |
Mitral regurgitation | 2 (1–2) | 2 (1–3) | 2 (1–2) | 0.373 |
Calcium antagonist,% | 25 (36.2) | 11 (28.9) | 14 (45.2) | 0.163 |
Beta blocker,% | 51 (73.9) | 33 (86.8) | 18 (58.1) | 0.007 |
ACEI/ARB,% | 2 (2.9) | 0 (0) | 2 (6.5) | 0.204 |
Diuretics,% | 24 (34.8) | 11 (28.9) | 13 (41.9) | 0.26 |
CMR | ||||
 Septal wall thickness,mm | 25 (21–29) | 26 (21.8–29) | 24 (19–29) | 0.637 |
 Left atrium diameter,mm | 41.8 ± 7.9 | 42 ± 8.4 | 41.5 ± 7.3 | 0.802 |
 LV end-diastolic diameter,mm | 45.6 ± 4.2 | 46.1 ± 4 | 44.9 ± 4.3 | 0.236 |
 LVMI,g/m2 | 88.9 (73.3–117.4) | 91.5 (77.2–133.5) | 83 (66.9–110) | 0.385 |
 LVEF,% | 64.8 ± 9.6 | 64.1 ± 9.6 | 65.8 ± 9.8 | 0.47 |
 LVEDVI,ml/m2 | 83.7 ± 20.4 | 87.7 ± 23.2 | 78.7 ± 15.4 | 0.069 |
 LVESVI,ml/m2 | 28.7 (21.8–36.3) | 31.7 (23.7–39.4) | 25.9 (19.9–30.9) | 0.054 |
 LGE at 2SD,% | 27.5 (22.4–38.2) | 28 (22.5–39.9) | 26.9 (19–37.2) | 0.403 |
 LGE at 4SD,% | 12.8 (6.9–19.1) | 14.4 (9.5–21.9) | 11.9 (5.8–16.7) | 0.067 |
 LGE at 6SD,% | 6.2 (1.9–8.7) | 6.7 (3.9–10.8) | 4.2 (1.6–7.5) | 0.04 |
 LGE at 8SD,% | 2.4 (0.45–4.65) | 3.2 (0.62–5.9) | 1.9 (0.33–3.4) | 0.057 |
BSA,m2 | 1.8 (1.6–1.9) | 1.7 (1.6–1.9) | 1.8 (1.7–1.9) | 0.05 |