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Table 2 Statistically significant variables

From: Pain-related Somato Sensory Evoked Potentials: a potential new tool to improve the prognostic prediction of coma after cardiac arrest

Variable

Significant outcome

P value

Sensitivity %

CI 95 %

Specificity %

CI 95 %

PPV %

CI 95 %

NPV %

CI 95 %

Pupillary reflex

Survival

<0.005

76.19

52.83–91.69

90.48

69.58–98.55

88.89

65.25–98.30

79.17

57.84–92.79

Continuous EEG patterns

Survival

<0.05

70.83

48.91–87.33

63.64

40.67–82.76

68.00

46.50–85.01

66.67

43.04–85.35

Epileptiform EEG pattern

Survival

<0.05

91.67

72.96–98.73

27.27

10.80–50.22

57.89

40.83–73.68

75.00

35.05–96.07

Discontinuous EEG patterns

Survival

<0.05

62.50

40.60–81.16

90.91

70.80–98.62

88.24

63.52–98.20

68.97

49.17–84.68

ML-SSEP at 50 Ma

Consciousness recovery

<0.001

87.10

70.15–96.29

100.00

78.03–100.00

100.00

87.11–100.00

78.95

54.43–93.82

SL-SSEP

Consciousness recovery

<0.05

54.84

36.04–72.67

100.00

78.03–100.00

100.00

80.33–100.00

51.72

32.54–70.54

ML-SSEP at 50 Ma

6 months CPC

<0.005

79.41

62.09–91.26

100.00

73.35–100.00

100.00

87.11–100.00

63.16

38.38–83.65

  1. PPV positive predictive value, NPV negative predictive value, EEG electroencephalogram, ML-SSEP middle-latency somatosensory evoked potentials, SL-SSEP short-latency somatosensory evoked potentials, CPC cerebral performance category