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Table 3 Parameters at 4 h and their potential to discriminate between potential survivors and non-survivors

From: Heart rate elevations during early sepsis predict death in fluid-resuscitated rats with fecal peritonitis

Parameter

ROC AUC

95% CI

p value

Threshold

Sensitivity%

95% CI

Specificity%

95% CI

Hct (%)

0.93

0.779–1.0

0.008

< 43.5

100

72–100%

80

28–99%

Temperature (°C)

0.57

0.166–0.968

0.673

> 38.0

60

15–95%

83

52–98%

Lactate (mmol/L)

0.68

0.319–1.0

0.257

> 1.49

60

15–95%

100

72–100%

Base excess

0.56

0.264–0.863

0.692

< 2.20

80

28–99%

45

17–77%

pH

0.59

0.266–0.916

0.571

> 7.43

40

5–85%

82

48–98%

Glucose

0.80

0.554–1.0

0.066

> 15.5

60

15–95%

90

56–100%

IL-1a (pg/ml)

0.58

0.237–0.926

0.610

> 57.2

40

5–85%

91

59–100%

IL-1b (pg/ml)

0.56

0.194–0.933

0.692

> 244

60

15–95%

82

48–98%

IL-6 (pg/ml)

0.67

0.326–1.0

0.282

> 2775

60

15–95%

91

59–100%

IL-10 (pg/ml)

0.60

0.217–0.983

0.533

> 538

60

15–95%

91

59–100%

TNF-α (pg/ml)

0.51

0.168–0.850

0.955

< 61

40

5–85%

82

48–98%

CXCL-1 (pg/ml)

0.69

0.349–1.0

0.234

> 1885

80

28–99%

82

48–98%

MCP-1 (pg/ml)

0.56

0.211–0.916

0.692

> 7.4

60

15–95%

82

48–98%

MIP-1 (pg/ml)

0.82

0.604–1.0

0.047

> 211

60

15–95%

91

59–100%

BNP (pg/ml)

0.76

0.521–1.0

0.101

< 0.15

60

15–95%

82

48–98%

  1. Animals were sacrificed at 4 h prior to fluid resuscitation and categorized according to their heart rate changes from baseline (≥ 50 bpm = predicted non-survivors; < 50 bpm = predicted survivors). This cut-off was determined from 48 h mortality experiments (see main manuscript for details). CI confidence interval, ROC AUC area under the receiver operator characteristics curve