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Table 2 Comparison of patients with negative and positive septal contribution to stroke volume

From: Regional contributions to left ventricular stroke volume determined by cardiac magnetic resonance imaging in cardiac resynchronization therapy

CMR parameter

ΔLVESV ≥ 15% (n = 37)

ΔLVESV < 15% (n = 28)

P

ΔLVESV (%)

P

Negative SVsept%

16

12

0.98

− 18 ± 22

0.96

Positive SVsept%

21

16

− 19 ± 23

  1. Cutoff for SVsept% was 0%. Continuous variables are expressed as means ± SD. No regional contribution parameter was associated with ≥ 15% reduction in left ventricular end-systolic volume (ΔLVESV) on echocardiography after six months follow-up