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Table 3 Sensitivity and specificity of single clinical parameters in predicting volume expansion

From: Fluid volume expansion and depletion in hemodialysis patients lack association with clinical parameters

Criteria Relative risk PPV (%) NPV (%) Sensitivity (%) Specificity (%)
Edema 2.4 85 65 47 92
Lower BMI 1.6 54 67 84 32
Pre-HD-SBP 1.5 60 60 55 64
Smoking 1.5 73 54 16 94
  1. BMI body mass index, pre-HD-SBP pre-hemodialysis systolic blood pressure