Table 3 Relation of acoustic cardiography parameters before hemodialysis and △acoustic cardiography parameters to overall mortality.

From: Changes in acoustic cardiographic parameters before and after hemodialysis are associated with overall and cardiovascular mortality in hemodialysis patients

ACP before hemodialysis and △ACP

Multivariable

Hazard ratio (95% CI)

p

Heart rate (per 1 beats/min)

1.041 (0.970–1.118)

0.265

△Heart rate (per 1 beats/min)

1.148 (1.053–1.253)

0.002

QRS Duration (per 1 ms)

1.005 (0.973–1.038)

0.763

△QRS Duration (per 1 ms)

1.009 (0.980–1.039)

0.556

QTc (per 1 ms)

1.012 (0.997–1.048)

0.079

△QTc (per 1 ms)

1.016 (0.997–1.035)

0.090

PR interval (per 1 ms)

1.037 (0.965–1.116)

0.323

△PR interval (per 1 ms)

0.930 (0.888–0.975)

0.002

S3 (per 1)

0.819 (0.393–1.704)

0.593

△S3 (per 1)

1.258 (0.651–2.432)

0.495

S4 (per 1)

0.900 (0.453–1.790)

0.765

△S4 (per 1)

0.799 (0.384–1.662)

0.548

SDI (per 1)

1.635 (0.865–3.090)

0.130

△SDI (per 1)

2.178 (1.189–3.990)

0.012

EMAT (per 1 ms)

1.044 (0.981–1.111)

0.176

△EMAT (per 1 ms)

1.075 (0.987–1.171)

0.095

EMAT (per 1%)

1.508 (1.056–2.154)

0.024

△EMAT (per 1%)

2.218 (1.382–3.559)

0.001

LVST (per 1 ms)

0.969 (0.946–0.994)

0.014

△LVST (per 1 ms)

0.947 (0.912–0.984)

0.005

LVST (per 1%)

1.037 (0.857–1.255)

0.712

△LVST (per 1%)

1.093 (0.890–1.342)

0.394

  1. Values expressed as hazard ratio and 95% confidence interval (CI). Abbreviations are the same as in Table 1.
  2. Covariates in the multivariable model included age, sex, diabetes mellitus, hypertension, coronary artery disease, arteriovenous access type, dialysis vintage, systolic and diastolic blood pressures, albumin, log triglyceride, total cholesterol, hemoglobin, total calcium, phosphorous, CaXP product, potassium, uric acid, Kt/V, blood flow, and medications including ACEIs and/or ARBs, β-blocker, statin and aspirin.
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