TABLE 4.
Traditional and strain echocardiography measurements in patients and controls
| Patients, median (IQR) | Controls, median (IQR) | P | |
|---|---|---|---|
| n | 41 | 41 | |
| Ejection fraction, % | 65.2 (63.8–66.6) | 64.6 (61.7–66.6) | .948 |
| Shortening fraction, % | 37.6 (35.7–39.7) | 34.9 (32.5–38.7) | .009 |
| Mitral valve E wave inflow velocity, cm/s | 84.8 (78.4–92.8) | 97.2 (85.9–105.8) | .005 |
| Tissue Doppler lateral E’ wave, cm/sa | 13.9 (12.3–16.1) | 17.3 (15.4–18.5) | <.001 |
| Longitudinal strain, % | 22.7 (21.2–24.2) | 23.6 (22.2–26.1) | .002 |
| Longitudinal strain rate, 1/s | 1.3 (1.1–1.4) | 1.2 (1.1–1.4) | .958 |
| Circumferential strain, % | 22.0 (20.3–25.4) | 24.5 (22.3–27.0) | .026 |
| Circumferential strain rate, 1/s | 1.5 (1.4–1.6) | 1.5 (1.4–1.6) | 1.000 |
Abbreviation: IQR, interquartile range.
a
Missing in one patient/control pair.