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Table 5 Univariate analysis of all patients (n = 359) for combined outcome

From: Prognostic value of fast semi-automated left atrial long-axis strain analysis in hypertrophic cardiomyopathy

Variable

Combined outcome

HR

95%CI

P

Age, years

1.04

1.02–1.06

 < 0.001

Gender

1.48

0.89–2.47

0.133

BSA (m2)

0.36

0.13–0.99

0.049

BMI (kg/m2)

1.01

0.94–1.08

0.866

Heart rate (beat/minute)

0.99

0.97–1.02

0.529

Hypertension

1.72

1.00–2.95

0.049

Diabetes mellitus

0.98

0.36–2.71

0.972

Obstructive HCM

2.28

1.36–3.82

0.002

Family history of SCD

1.43

0.72–2.82

0.304

History of syncope

1.57

0.88–2.82

0.134

Coronary artery disease

1.53

0.66–3.57

0.322

β blocker

0.67

0.37–1.23

0.194

LVEF (%)

0.97

0.95–1.00

0.024

LVEDVI (mL/ m2)

1.02

1.01–1.03

 < 0.001

LVESVI (mL/ m2)

1.02

1.01–1.03

 < 0.001

RVEF (%)

0.99

0.96–1.01

0.294

RVEDVI (mL/ m2)

0.99

0.97–1.00

0.092

RVESVI (mL/ m2)

0.99

0.96–1.02

0.437

LVMI (g/m2)

1.01

1.00–1.02

0.001

Max WT (mm)

1.02

0.98–1.06

0.311

LGE extent (%)

1.04

1.02–1.07

0.001

LA diameter, mm

1.07

1.04–1.11

 < 0.001

LAVI max, ml/m2

1.02

1.01–1.02

 < 0.001

LAVI p-ac, ml/m2

1.02

1.01–1.02

 < 0.001

LAVI min, ml/m2

1.02

1.01–1.02

 < 0.001

Total LAEF, %

0.96

0.94–0.98

 < 0.001

Passive LAEF, %

0.95

0.92–0.98

0.003

Active LAEF, %

0.96

0.94–0.98

 < 0.001

Reservoir εs, %

0.91

0.88–0.95

 < 0.001

Conduit εe, %

0.84

0.78–0.91

 < 0.001

Booster εa, %

0.94

0.88–1.01

0.072

  1. CMR cardiovascular magnetic resonance, HCM hypertrophic cardiomyopathy, EDVI end-diastolic volume index, ESVI end-systolic volume index, EF ejection fraction, LVMI LV mass index, Max WT maximal (LV) wall thickness, LGE late gadolinium enhancement, LV left ventricular, RV right ventricular, LAEF left atrial empty fraction, LAVI max maximal left atrial volume index, LAVI p-ac left atrial volume index prior to atrial contraction, LAVI min minimal left atrial volume index, ε left atrial strain, BMI body mass index, BSA body surface area, EF ejection fraction, SCD sudden cardiac death, CAD coronary artery disease