Table 4 Relation of acoustic cardiography parameters before hemodialysis and △acoustic cardiography parameters to cardiovascular 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)

0.996 (0.770–1.289)

0.978

△Heart rate (per 1 beats/min)

1.526 (0.856–2.720)

0.152

QRS Duration (per 1 ms)

0.989 (0.926–1.055)

0.734

△QRS Duration (per 1 ms)

1.001 (0.944–1.062)

0.962

QTc (per 1 ms)

1.017 (0.980–1.055)

0.372

△QTc (per 1 ms)

1.015 (0.981–1.050)

0.394

PR interval (per 1 ms)

1.938 (0.862–1.020)

0.135

△PR interval (per 1 ms)

0.910 (0.846–0.980)

0.012

S3 (per 1)

0.663 (0.206–2.134)

0.491

△S3 (per 1)

2.273 (0.619–8.339)

0.216

S4 (per 1)

0.300 (0.036–2.481)

0.264

△S4 (per 1)

0.507 (0.051, 5.049)

0.582

SDI (per 1)

2.498 (0.590–10.565)

0.213

△SDI (per 1)

3.273 (0.699–15.328)

0.132

EMAT (per 1 ms)

1.059 (0.963–1.166)

0..237

△EMAT (per 1 ms)

1.066 (0.937–1.213)

0.334

EMAT (per 1%)

1.539 (0.954–2.482)

0.077

△EMAT (per 1%)

2.141 (1.117–4.102)

0.022

LVST (per 1 ms)

0.837 (0.730–0.960)

0.011

△LVST (per 1 ms)

0.777 (0.637–0.949)

0.013

LVST (per 1%)

0.893 (0.668–1.194)

0.445

△LVST (per 1%)

1.135 (0.830–1.554)

0.428

  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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