Table 2.
Left ventricular measures of the longitudinal cohort by race and sex
| Variable | White |
Black |
P for Race Difference |
|||
|---|---|---|---|---|---|---|
| Male (N=285) | Female (N=392) | Male (N=119) | Female (N=188) | Male | Female | |
| Baseline | ||||||
| Age (year) | 36.2 (4.8) | 35.4 (4.6)* | 36.7 (4.6) | 35.2 (5.0)* | 0.285 | 0.603 |
| LVM (g) | 157 (44) | 113 (36)* | 156 (51) | 120 (41)* | 0. 695 | <0.001 |
| LVMI (g/m2.7) | 33.0 (9.0) | 29.9 (9.0)* | 33.8 (10.9) | 32.3 (10.2) | 0.260 | <0.001 |
| RWT (cm) | 0.33 (0.07) | 0.31 (0.06) | 0.34 (0.07) | 0.34 (0.08) | 0.040 | 0.001 |
| LVH, n (%) | 27 (9.5) | 30 (7.7) | 15 (12.6) | 31 (16.5) | 0.347 | 0.001 |
| CR, n (%) | 26 (9.1) | 20 (5.1)* | 11 (9.2) | 16 (8.5) | 0.969 | 0.111 |
| EH, n (%) | 23 (8.1) | 22 (5.6) | 8 (6.7) | 19 (10.1) | 0.643 | 0.048 |
| CH, n (%) | 4 (1.4) | 8 (2.0) | 7 (5.9) | 12 (6.4) | 0.012 | 0.007 |
| Follow-up | ||||||
| Age (year) | 46.7 (5.3) | 46.2 (5.3) | 46.5 (5.4) | 45.7 (5.6) | 0.622 | 0.391 |
| LVM (g) | 184 (49) | 138 (50)* | 205 (76) | 144 (42)* | 0.001 | <0.001 |
| LVMI (g/m2.7) | 38.9 (9.8) | 36.8 (14.1)* | 44.6 (16.4) | 38.5 (10.4) | <0.001 | <0.001 |
| RWT (cm) | 0.41 (0.07) | 0.41 (0.08) | 0.43 (0.07) | 0.41 (0.08) | 0.008 | 0.004 |
| LVH, n (%) | 51 (17.9) | 57 (14.5) | 41 (34.5) | 64 (34.0) | <0.001 | <0.001 |
| CR, n (%) | 86 (30.2) | 101 (25.8) | 35 (29.4) | 41 (21.8) | 0.879 | 0.300 |
| EH, n (%) | 19 (6.7) | 17 (4.3) | 8 (6.7) | 16 (8.5) | 0.984 | 0.042 |
| CH, n (%) | 32 (11.2) | 40 (10.2) | 33 (27.7) | 48 (25.5) | <0.001 | <0.001 |
Data are presented in means (SD) or n (%).
Sex difference within racial groups:
*
p<0.05
LVM(I)=left ventricular mass (index); RWT=relative wall thickness; LVH= left ventricular hypertrophy; CR=concentric remodeling; CH=concentric hypertrophy; EH=eccentric hypertrophy