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Table 3 The predictive accuracy of lactate level for 1-month survival

From: Predictive accuracy of biomarkers for survival among cardiac arrest patients with hypothermia: a prospective observational cohort study in Japan

Cutoff (mg/dL)

Se

Sp

TP

TN

FP

FN

LR+

LR-

PPV

NPV

40

0.30

0.93

13

612

45

31

4.3

0.76

0.22

0.95

60

0.45

0.89

20

582

75

24

4.0

0.62

0.21

0.96

80

0.61

0.82

27

540

117

17

3.4

0.47

0.19

0.97

100

0.80

0.74

35

484

173

9

3.0

0.28

0.17

0.98

120

0.91

0.64

40

419

238

4

2.5

0.14

0.14

0.99

140

0.98

0.51

43

334

323

1

2.0

0.04

0.12

1.00

  1. TP True-positive, TN True-negative, FP False-positive, FN False-negative, Se Sensitivity, Sp Specificity, LR+ Positive likelihood ratio, LR Negative likelihood ratio, PPV Positive predictive value, NPV Negative predictive value