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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