TABLE 2

Baseline Parameters Compared with Clinical Outcome

ParameterNonresponder* (n = 19)Responder (n = 47)P
QRS duration157.68 ± 25.08 ms167.47 ms ± 28.440.2
LVEF (echo)34.41% ± 10.92%31.19% ± 8.69%0.3
LVEDVI (echo)113.64 ± 56.97 mL98.19 ± 38.54 mL0.4
LVESVI (Echo)82.15 ± 46.74 mL68.79 ± 28.05 mL0.3
LVS0.915 ± 0.040.858 ± 0.120.008
LVE0.618 ± 0.100.663 ± 0.100.1
LVSDØ35.8° ± 14.1043.3° ± 18.200.08
LVEF (ERNA)25.9% ± 8.9725.7% ± 5.770.9
RVS0.93 ± 0.060.93 ± 0.060.9
RVE0.57 ± 0.030.58 ± 0.020.9
RVSDØ24.0° ± 10.60°24.7° ± 10.40°0.8
IVS9.76° ± 9.60°18.3° ± 0.62°0.009
  • * See text; negative or 0 change in NYHA classification at 6-mo follow-up visit after CRT implantation.

  • See text; positive 1 or 2 change NYHA classification at 6-mo follow-up visit after CRT implantation.