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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: J Card Fail. 2015 Apr 22;21(6):460–469. doi: 10.1016/j.cardfail.2015.04.005

Table 2.

Comparison of Clinical Parameters Before and After CRT*

Variable Control
N=10		 Pre-CRT
N=24		 Post-CRT
N=24		 P Value
Pre vs. Post
NYHA class, grade 1.0±0 2.7±0.4 2.1±0.6 <.03
LVEF, % 62.9±3.3 23.5±6.3 32.0±8.6 <.001
LVEDD, mm 48.6±2.7 66.6±9.9 64.9±10.6 .15
Mitral regurgitation, grade 1.7±0.6 2.3±0.6 2.0±0.6 <.01
Pulmonary artery systolic pressure, mm Hg 30.6±4.7 43.02±12.6 38.2±11.6 <.01

Abbreviations: LVEDD, left ventricular end-diastolic dimension; LVEF, left ventricular ejection fraction; NYHA, New York Heart Association.

*

Values are mean±standard error of the mean unless indicated otherwise.