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Table 2 Diagnostic strength of edema and JVP for volume overload

From: Pedal edema and jugular venous pressure for volume overload in peritoneal dialysis patients

  TP TN FP FN Sensitivity (%) Specificity (%) Positive LR [95 % CI] Negative LR [95 % CI]
Resident
 Edema 7 13 0 5 58 100 16 [1.02, 260] 0.44 [0.23, 0.83]
 JVP >0 9 7 6 2 82 54 1.8 [0.93, 3.4] 0.34 [0.087, 1.3]
 JVP >1 6 7 6 5 55 54 1.2 [0.53, 2.6] 0.84 [0.37, 1.9]
 JVP >2 4 8 5 7 36 62 0.95 [0.33, 2.7] 1.0 [0.56, 1.9]
 JVP >3 4 11 2 7 36 85 2.4 [0.53, 11] 0.75 [0.45, 1.2]
 JVP >4 2 13 0 9 18 100 5.8 [0.31, 110] 0.82 [0.61, 1.1]
 JVP >5 2 13 0 9 18 100 5.8 [0.31, 110] 0.82 [0.61, 1.1]
 JVP >6 1 13 0 10 9 100 3.5 [0.16, 78] 0.91 [0.72, 1.1]
Staff
 JVP >0 12 2 9 0 100 18 1.2 [0.89, 1.7] 0.18 [0.0098, 3.5]
 JVP >1 9 5 6 3 75 45 1.4 [0.73, 2.6] 0.55 [0.17, 1.8]
 JVP >2 7 8 3 5 58 73 2.1 [0.73, 6.3] 0.57 [0.27, 1.2]
 JVP >3 1 11 0 11 8 100 2.8 [0.12, 62] 0.92 [0.73, 1.2]
 JVP >4 0 11 0 12 0 100 0.92 [0.20, 43] 1.0 [0.85, 1.2]
 JVP >5 0 11 0 12 0 100 0.92 [0.20, 43] 1.0 [0.85, 1.2]
 JVP >6 0 11 0 12 0 100 0.92 [0.20, 43] 1.0 [0.85, 1.2]
  1. Abbreviations: FN false negatives, FP false positives, TN true negatives, TP true positives, JVP jugular venous pressure in cm above the sternal angle, LR likelihood ratio