Table 3.
Baseline ventricular longitudinal speckle tracking strain characteristics as predictors of the composite outcome in chronic Chagas cardiomyopathy
| Variables | Patients without CO events (n = 137) | Patients with CO events (n = 40) | HR (95% CI) | p-Value |
|---|---|---|---|---|
| LV LV-GLS | − 15.5 (− 19.1; − 10.4) | − 7.7 (− 11.2; − 4.9) | 1.23 (1.14; 1.32) | < 0.001 |
| Apical septal | − 19 (− 24; − 10) | − 6 (− 19; 3) | 1.05 (1.03; 1.08) | < 0.001 |
| Apical lateral | − 15 (− 21; − 8) | − 6 (− 13; 2) | 1.05 (1.02− 1.08) | < 0.001 |
| Apical inferior | − 18 (− 22; − 11) | − 6 (− 13; 3) | 1.05 (1.03; 1.08) | < 0.001 |
| Apical anterior | − 16 (− 21; − 7) | − 4 (− 9; 0) | 1.08 (1.04; 1.12) | < 0.001 |
| Mid anteroseptal | − 18 (− 22; − 12) | − 12 (− 17; − 8) | 1.06 (1.02–1.10) | 0.003 |
| Mid anterior | − 17 (− 21; − 12) | − 10 (− 14; − 6) | 1.09 (1.05–1.14) | < 0.001 |
| Mid anterolateral | − 14 (− 21; − 6) | − 2 (− 8; 4) | 1.09 (1.05–1.13) | < 0.001 |
| Mid inferolateral | − 16 (− 21; − 7) | − 4 (− 10; 4) | 1.08 (1.04–1.11) | < 0.001 |
| Mid inferior | − 16 (− 20; − 11) | − 7 (− 12; − 5) | 1.08 (1.04–1.12) | < 0.001 |
| Mid inferoseptal | − 17 (− 20; − 12) | − 11 (− 14; − 5) | 1.09 (1.05–1.15) | < 0.001 |
| Basal anteroseptal | − 16 (− 19; − 11) | − 12 (− 15; − 8) | 1.03 (0.99–1.07) | 0.109 |
| Basal anterior | − 15 (− 18; − 9) | − 9 (− 12; − 1) | 1.07 (1.03–1.11) | < 0.001 |
| Basal anterolateral | − 14 (− 18; − 3) | 4 (− 7; 8) | 1.09 (1.05–1.12) | < 0.001 |
| Basal inferolateral | − 13 (− 17; 3) | 3 (− 10; 6) | 1.05 (1.02–1.08) | < 0.001 |
| Basal inferior | − 15 (− 19; − 10) | − 7 (− 13; 0) | 1.08 (1.04–1.12) | < 0.001 |
| Basal inferoseptal | − 12 (− 15; − 8) | − 9 (− 11; − 5) | 1.09 (1.04–1.13) | < 0.001 |
LV-GLS global longitudinal strain
Bold values indicate a p-value < 0.05