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Fig. 4 | BMC Nephrology

Fig. 4

From: Non-invasive venous waveform analysis (NIVA) for volume assessment in patients undergoing hemodialysis: an observational study

Fig. 4

Prediction of IDH with changes in NIVA values and heart rate. (a) Slopes of the least-squares model for NIVA over time were significantly steeper in patients with IDH. (b) Slopes of the least-squares model for NIVA over time were significantly steeper prior to the onset of IDH in patients with IDH. IDH occurred at a mean dialysis time of 68 min (range 15–210 min) (c) Slopes of the least-squares model for NIVA over time were significantly steeper prior to the onset of IDH in patients with IDH compared to patients without IDH (D) These slopes were able to predict the onset of IDH with an AUC = 0.87, sensitivity of 80% and specificity of 100% (n = 16)

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BMC Nephrology

ISSN: 1471-2369

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