Table 5 Prediction of the mortality by ROC curve in acute PQ poisoning.

From: Prognostic value of hematological parameters in patients with paraquat poisoning

Predictive factors

AUC (95% CI)

p Value

Cutoff point

Sensitivity (%)

Specificity (%)

Youden index

Acuracy rate (%)

NLR

0.916 (0.877–0.954)

<0.001

10.57

86.70

83.51

0.702

85.15

Neutrophil ( × 103/mm3)

0.878 (0.830–0.925)

<0.001

10.10

83.80

79.38

0.632

81.68

Leukocyte ( × 103/mm3)

0.849 (0.796–0.902)

<0.001

13.15

77.10

83.50

0.606

80.39

Plasma PQ level (μg/mL)

0.885 (0.839–0.931)

<0.001

2.48

76.20

90.70

0.669

83.45

SIPP (μg/mL/hour)

0.825 (0.767–0.883)

<0.001

10.14

81.90

74.20

0.561

78.05

APACHE II

0.876 (0.828–0.923)

<0.001

7.50

69.50

90.72

0.602

80.12

  1. Abbreviations: PQ, paraquat; AUC, area under receiver-operating characteristic curve; CI, confidence interval; NLR, neutrophil-lymphocyte ratio; SIPP, the severity index of paraquat poisoning; APACHE II, the acute physiology and chronic health evaluation II score.
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