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Table 1 Clinical characteristics of patients

From: Low septal to lateral wall 18F-FDG ratio is highly associated with mechanical dyssynchrony in non-ischemic CRT candidates

ParameterAll patients (n = 30)With mechanical dyssynchrony (n = 23)Without mechanical dyssynchrony (n = 7)p value
Clinical characteristics:
  Male (% of total)16 (53%)10 (43%)6 (86%)0.05
  Age (years)68 ± 1068 ± 968 ± 120.94
  Diabetes mellitus (% of total)4 (13%)3 (13%)1 (14%)0.93
  Systolic blood pressure (mmHg)134 ± 22134 ± 21120 ± 280.18
  Diastolic blood pressure (mmHg)69 ± 1570 ± 1465 ± 170.47
  NYHA class II/III:17 (57%)/13 (43%)12 (52%)/11 (48%)5 (71%)/2 (29%)0.42
Electrocardiographic parameters:
  QRS width (ms)161 ± 16161 ± 15163 ± 210.73
  LBBB (Strauss)25 (83%)21 (91%)4 (57%)0.03
    RV pacing1 (3%)0 (0%)1 (14%)0.23
    NS-IVCD4 (10%)2 (9%)2 (29%)0.21
Echocardiographic parameters (pre-CRT):
  EDV (ml)142 [133;193]142 [126;203]164 [116;202]0.88
  ESV (ml)100 [91;138]98 [85;147]101 [76;138]0.74
  EF (%)32 ± 832 ± 932 ± 50.99
Heart failure therapy:
  β-blockers26 (87%)19 (83%)7 (100%)0.54
  ACEi/ARB27 (90%)21 (91%)6 (86%)0.66
  Aldosterone antagonists17 (57%)13 (57%)4 (57%)0.9
  1. ACEi angiotensin-converting enzyme inhibitors, ARB angiotensin-receptor blockers, EDV end-diastolic volume, ESV end-systolic volume, LBBB left bundle branch block, RV right ventricle, NS-IVCD non-specific intraventricular conduction delay