Table 4 Risk associated with electrocardiographic left ventricular hypertrophy, presence relative to absence.
Outcome, systolic function | ECG LVH present, n (%) | ECG LVH absent, n (%) | Unadjusted HR (95% CI) | p Value | Adjusted HR (95% CI) | p value | p Value interaction* |
---|---|---|---|---|---|---|---|
CV death or HF hospitalisation | |||||||
Overall | 418 (35.1) | 2042 (31.9) | 1.10 (0.99 to 1.23) | 0.064 | 1.07 (0.96 to 1.19) | 0.230 | 0.572 |
Reduced LVEF | 307 (41.0) | 1454 (38.0) | 1.10 (0.97 to 1.24) | 0.144 | 1.06 (0.94 to 1.21) | 0.348 | |
Preserved LVEF | 111 (25.0) | 588 (22.8) | 1.13 (0.92 to 1.38) | 0.247 | 1.12 (0.91 to 1.38) | 0.286 | |
CV death | |||||||
Overall | 255 (21.4) | 1205 (18.8) | 1.11 (0.97 to 1.28) | 0.116 | 1.09 (0.95 to 1.26) | 0.208 | 0.621 |
Reduced LVEF | 183 (24.5) | 937 (24.5) | 0.99 (0.85 to 1.16) | 0.925 | 0.98 (0.83 to 1.16) | 0.828 | |
Preserved LVEF | 72 (16.2) | 268 (10.4) | 1.60 (1.24 to 2.08) | <0.001 | 1.60 (1.22 to 2.09) | <0.001 | |
HF hospitalisation | |||||||
Overall | 279 (23.4) | 1396 (21.8) | 1.08 (0.95 to 1.23) | 0.233 | 1.04 (0.91 to 1.19) | 0.534 | 0.136 |
Reduced LVEF | 203 (27.1) | 955 (24.9) | 1.10 (0.95 to 1.28) | 0.202 | 1.07 (0.92 to 1.25) | 0.373 | |
Preserved LVEF | 76 (17.1) | 441 (17.1) | 1.03 (0.81 to 1.31) | 0.827 | 1.01 (0.78 to 1.29) | 0.950 | |
CV death, HF hospitalisation, non‐fatal MI, non‐fatal stroke | |||||||
Overall | 469 (39.3) | 2220 (34.6) | 1.15 (1.04 to 1.27) | 0.007 | 1.12 (1.02 to 1.25) | 0.024 | 0.490 |
Reduced LVEF | 332 (44.4) | 1540 (40.2) | 1.12 (0.99 to 1.26) | 0.061 | 1.10 (0.98 to 1.25) | 0.111 | |
Preserved LVEF | 137 (30.9) | 680 (26.4) | 1.22 (1.01 to 1.46) | 0.036 | 1.21 (1.00 to 1.46) | 0.052 |
CV, cardiovascular; ECG, electrocardiogram; ECG LVH, electrocardiographic left ventricular hypertrophy; HF, heart failure; LVEF, left ventricular ejection fraction; MI, myocardial infarction.
*Interaction between presence of ECG LVH (v absence of ECG LVH) and reduced LVEF (v preserved LVEF).