Table 1.
Baseline demographics: Mean (standard deviation)
No scar (1116) | Scar (114) | |
---|---|---|
Age, yrs | 67.2(8.7) | 71.5 (9.3) † |
Men, n (%) | 533 (47.8%) | 98 (85.2%) † |
Ethnicity, n (%) | ||
White Caucasian | 579 (51.9%) | 66(57.4%) |
Chinese American | 129 (11.6%) | 5 (4.3%) |
African American | 250 (22.4%) | 31 (27.0%) |
Hispanic | 158 (14.3%) | 13 (11.3%) |
Heart rate (beats/min) | 66.3 (10.8) | 64.4 (10.7) |
Body surface area (m2) | 1.8 (0.2) | 1.9 (0.2) † |
SBP (mmHg) | 121.1 (18.8) | 123.6 (18.3) |
DBP (mmHg) | 68.3 (9.6) | 69.2 (10.4) |
GFR (mL/min/1.73m2) | 84.7 (18.8) | 80.6 (17.3) † |
Diabetes Mellitus, n (%) | 153 (13.8%) | 24 (20.9%) † |
Anti hypertensive medication, n (%) | 545 (48.8%) | 74 (64.3%) † |
Current Smoker, n (%) | 76 (6.8%) | 15 (13.2%) † |
LV Ejection Fraction % | 62.2 (6.6) | 56.8 (9.7) † |
LVEDVi (mL/m2) | 65.4 (12.8) | 70.0 (19.8) † |
LVMi (g/m2) | 64.8 (12.1) | 78.2 (15.8) † |
Pre Contrast T1, ms | 975.8 (42.8) | 985.5 (41.4) † |
Post contrast T1 @12 min (ms) | 454.6 (40.1) | 444.2 (39.7) † |
Post Contrast T1@25 min (ms) | 518.3 (40.5) | 508.4 (42.4) † |
Ecc (%) | −15.5 (3.2) | −13.6 (3.3) † |
EDSR (1/s) | 1.04 (0.4) | 0.86 (0.4) † |
LV Torsion (rad) | 8.7 (2.04) | 8.9 (2.04) |
TRR (°/cm/ms) | −23.2 (8.8) | −20.1 (8.1) † |
TSR | −0.56 (0.16) | −0.65 (0.19) † |
SBP=Systoli c blood pressure, DBP= Diastolic blood pressure, GFR= Glomerular filtration rate, LVEDVi=LV End diastolic volume index, LVMi= LV mass index, Ecc=Circumferential strain, EDSR= Early diastolic strain rate, TRR= Torsional recoil rate, LV Torsion (rad) =LV Torsion adjusted for epicardial radius, TSR= Torsion to endocardial shortening ratio.
Two tailed p value < 0.05.