Table 4 Performances of 24-h urine output, 24-h urinary creatinine and urea to predict the success of an attempt of renal replacement therapy weaning
Youden index [95 % CI] | Sensitivity % [95 % CI] | Specificity % [95 % CI] | PPV % [95 % CI] | NPV % [95 % CI] | |
|---|---|---|---|---|---|
D0 urinary output (ml/24 h) | 2575 [1050–3075] | 38.5 [19–58] | 93 [82–100] | 85 [61.5–100] | 62 [55–71] |
D0 urinary urea (mmol/24 h) | 134 [56–322] | 65 [48–83] | 73 [58–88.5] | 68 [53–84] | 70 [58–84] |
D0 urinary creatinine (mmol/24 h) | 4.7 [0.85–5.1] | 56.5 [35–74] | 96 [88.5–100] | 93 [78–100] | 71 [62.5–81] |
D1 urinary urea (mmol/24 h) | 293 [196–363] | 70 [50–90] | 88 [76–100] | 83 [67–100] | 79 [68–92] |
D1 urinary creatinine (mmol/24 h) | 5.15 [3.01–6.3] | 75 [55–90] | 88 [72–100] | 84 [68–100] | 82 [70–93] |
D2 urinary urea (mmol/24 h) | 318 [292–591] | 71 [52–90] | 85 [69–96] | 80 [64–94] | 79 [68–92] |
D2 urinary creatinine (mmol/24 h) | 5.56 [4.67–6.57] | 86 [71–100] | 81 [65–96] | 78 [65–94] | 88 [75–100] |