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Table 4 Cox proportional hazards analysis focusing on the echocardiographic changes during hemodialysis therapy for all cause of death (simple analysis)

From: Associations between pulmonary congestion on chest ultrasound and survival in hemodialysis patients

  At the start At the middle At the end
Hazard ratio P value Hazard ratio P value Hazard ratio P value
(95% CI)   (95% CI)   (95% CI)  
E (per cm/s) 0.99 (0.98–1.01) 0.491 0.99 (0.97–1.02) 0.648 0.99 (0.97–1.02) 0.594
A (per cm/s)* 1.00 (0.98–1.01) 0.73 1.01 (0.99–1.02) 0.374 1.01 (0.99–1.02) 0.339
IVC-ex (per mm) 1.02 (0.92–1.13) 0.688 1.02 (0.91–1.14) 0.718 0.99 (0.87–1.11) 0.834
IVC-in (per mm) 1.02 (0.93–1.11) 0.727 1.06 (0.93–1.21) 0.39 0.96 (0.82–1.11) 0.63
IVC collapsibility (per %) 0.99 (0.97–1.01) 0.575 0.99 (0.96–1.01) 0.186 1.01 (0.99–1.03) 0.573
B-lines (per number) 1.20 (1.09–1.32) 0.0002 1.17 (1.07–1.28) 0.0008 1.23 (1.12–1.37) 0.0001
  1. E peak early diastolic filling velocity, A peak atrial filling velocity, IVC inferior vena cava dimensions, ex exhalation, in inspiration
  2. *Exclude 5 atrial fibrillations