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Table 2 Echocardiography variables

From: Prognostic implications of negative dobutamine stress echocardiography in African Americans compared to Caucasians

 

African American

Caucasian

P value

Hypotensive response

99/387 (26%)

129/337 (38%)

< 0.001*

SBP ≥ 200 and DBP ≥ 90

12/381 (3%)

2/333 (1%)

0.014*

SBP ≥ 200 or DBP ≥ 90

64/381 (17%)

13/333 (4%)

< 0.001*

LVH

271/387 (70%)

168/340 (49%)

< .001*

Ischemic ECG Change

16/385 (4%)

17/337 (5%)

0.568

Baseline WMA

86/385 (22%)

89/338 (26%)

0.211

EF ≥ 50%

314/387 (81%)

277/339 (82%)

0.843

PMHR ≤ 85%

192/386 (50%)

132/338 (39%)

0.002*

  1. *Statistically significant; DBP = diastolic blood pressure; ECG = electrocardiogram; EF = ejection fraction; LVH = left ventricular hypertrophy; PMHR = predicted maximal heart rate; SBP = systolic blood pressure; WMA = wall motion abnormalities
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Cardiovascular Ultrasound

ISSN: 1476-7120

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