Table 3.
Baseline Echocardiography Measurements
| Ethnicity |
||||
|---|---|---|---|---|
| White (n = 1,261) | Black (n = 578) | Asian (n = 134) | P Valuea | |
| EF | 0.063 | |||
| Median (IQR) | 59.2 (55.6–63.9) | 60.1 (55.5–65.0) | 61.7 (56.6–66.0) | |
| Range | 50.0–78.9 | 50.0–79.0 | 50.4–84.5 | |
| LV mass index (g/m2) | 90 (75–110) | 98 (79–118) | 88 (73–104) | 0.004 |
| LV mass index ≥95/115 g/m2 | 192 (38%) | 124 (48%) | 23 (34%) | 0.013 |
| LVEDD (cm) | 4.40 (4.00–4.90) | 4.40 (4.00–4.80) | 4.35 (4.00–4.70) | 0.5 |
| LVPWd (cm) | 1.10 (0.93–1.20) | 1.20 (1.00–1.30) | 1.10 (0.95–1.20) | <0.001 |
| LVIDs (cm/m2) | 2.87 (2.52–3.22) | 2.77 (2.39–3.10) | 2.73 (2.49–3.15) | 0.001 |
| LA volume (mL/m2) | 35 (26–47) | 34 (27–42) | 30 (23–42) | 0.20 |
| LA volume >34 mL/m2 | 232 (62%) | 109 (59%) | 30 (51%) | 0.20 |
| Lateral E/e' | 9.2 (6.8–13.0) | 10.0 (7.2–13.6) | 11.0 (8.3–14.8) | <0.001 |
| Septal E/e' | 12.7 (9.5–17.2) | 12.9 (9.6–16.5) | 13.8 (11.1–18.1) | 0.071 |
| Average E/e' ratio | 10.0 (8.0–14.0) | 11.0 (8.0–15.0) | 10.0 (8.5–15.0) | 0.60 |
| E/e’ ratio >9 | 413 (67%) | 238 (69%) | 60 (77%) | 0.20 |
| TRmax (cm/s) | 270 (236–308) | 276 (238–319) | 263 (226–296) | 0.015 |
| TRmax >280 cm/s | 447 (43%) | 235 (48%) | 44 (37%) | 0.039 |
| PASP (mm Hg) | 29 (22–38) | 31 (23–41) | 28 (20–35) | 0.015 |
| PASP >35 mm Hg | 342 (33%) | 188 (39%) | 30 (25%) | 0.009 |
Values are median (IQR) or n (%) unless otherwise indicated.
EF = ejection fraction; LA = left atrium; LVEDD = left ventricular end-diastolic diameter; LVIDs = left ventricular internal dimension at end-systole; LVPWd = left ventricular posterior wall thickness at end-diastole; PASP = pulmonary artery systolic pressure; TRmax = maximum tricuspid regurgitation velocity.
a
Kruskal-Wallis rank sum test; Pearson's chi-squared test.