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Table 3 Diagnostic performance of CDA Prediction models

From: Scoping review of clinical decision aids in the assessment and management of febrile infants under 90 days of age

CDA Prediction Models

Study

Year of derivation

Derivation Methodology

Probability cutoff

Risk treshold

Sensitivity SBI

Specificity SBI

PPV SBI

NPV SBI

Sensitivity IBI

Specificity IBI

PPV IBI

NPV IBI

AUC

Validation (Number of studies)

Regression Analysis [19]

VIllalobos-2017

2017

Expert consensus + binary logistic regression

80

N/A

87.7%

70.1%

-

-

-

-

-

-

 

0

Regression Analysis + AIC [31]

Vujevic-2017

2017

Logistic Regression and Akaike Information Criterion (AIC)

40

N/A

74.3%

88.3%

-

-

-

-

-

-

 

0

Step wise regression [20]

Ramgopal-2020 (Derivation and Validation)

2020

Regression

N/A

N/A

98.6—100%

49.2—50%

16.7—17%

99.7—100%

-

-

-

-

0.95

1

Random Forest Modelling [20]

Ramgopal-2020 (Derivation and Validation)

2020

Machine learning

N/A

N/A

99—100%

75—82%

29—36%

100%

-

-

-

-

0.96

1

Support Vector Machine Model [20]

Ramgopal-2020 (Derivation and Validation)

2020

Machine learning

N/A

N/A

97%

48—52%

16—17%

99%

-

-

-

-

0.93

1

Single-Hidden Layer Neural Network [20]

Ramgopal-2020 (Derivation and Validation)

2020

Machine learning

N/A

N/A

96—99%

69—72%

24-—26%

99%

-

-

-

-

0.95

1

Logistic Regression [32]

Chiu-2021

2021

Regression

N/A

N/A

-

-

-

-

90.0%

59.0%

-

-

0.85

0

Support Vector Machine Model [32]

Chui-2021

2021

Machine learning

N/A

N/A

-

-

-

-

91.0%

60.0%

-

-

0.84

0

Extreme Gradient Boosting [32]

Chui-2023

2021

Machine learning

N/A

N/A

-

-

-

-

90.0%

57.0%

-

-

0.84

0

Not Documented [33]

Poirier-2021

2021

Not Documented

N/A

N/A

90%

32.9%

-

98.1%

100%

30.0%

-

100%

 

0

Regression Analysis [22, 23, 38]

Yaeger 2021 – 2022 (Derivation and Validation)

2021 & 2022

Regression

N/A

0.01/0.03/0.05

92.9—94.6%

50—74.5%

16.1- 23.9%

99%

86.4—94.9%

47.3—51.6%

3.3- 20.5%

99%

0.92–0.95

1

Super Learner Modelling [22, 23, 38]

Yaeger 2021 – 2022 (Derivation and Validation)

2021 & 2022

Machine learning

N/A

0.01/0.03/0.06

96%

65—74%

17—23%

99.5%

91—100%

3.4—51%

2—3%

99.7—100%

0.9–0.96

1

FIRST [35]

Chong-2023

2023

AutoScore Machine Learning Model

N/A

5%/10%/15% > 

93.2% (Predicted Risk-15%)

29.9%

27.5%

94%

-

-

-

-

0.74

0

FIRST + [35]

Chong-2023

2023

AutoScore Machine Learning Model

N/A

5%/10%/15% > 

81.8% (Predicted Risk-15%)

65.6%

40.4%

92.7%

-

-

-

-

0.88

0

HRV and HRnV [34]

Chong-2023

2023

Regression

N/A

N/A

-

-

-

-

-

-

-

-

0.81

0

Deep Learning Model [21]

Yang-2023 (Derivation and Validation)

2023

Machine learning

N/A

N/A

-

-

-

-

99—100%

48—54%

5—6%

100%

0.87

1

LASSO [36]

Ballard 2024

2024

Machine Learning

N/A

 

-

-

-

-

-

-

-

-

0.83

0

Logistic [36]

Ballard 2024

2024

Machine Learning

N/A

 

-

-

-

-

-

-

-

-

0.84

0

Random Forest [36]

Ballard 2024

2024

Machine Learning

N/A

 

-

-

-

-

-

-

-

-

0.81

0

XGBoost [36]

Ballard 2024

2024

Machine Learning

N/A

 < 1%/ < 2%/ < 3%/ < 5%/ < 10%

-

-

-

-

-

-

-

-

0.84

0

  1. FIRST Febrile infants risk score at triage, LASSO Least absolute shrinkage and selection operator, N/A Not applicable, CDA Clinical decision aid, IBI Invasive bacterial infection, SBI Serious bacterial infection, PPV Positive predictive value, NPV Negative predictive value, AUC Area under the curve