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Table 1 Summary of findings for all studies included in the qualitative synthesis

From: Diagnostic test accuracy of machine learning algorithms for the detection intracranial hemorrhage: a systematic review and meta-analysis study

ID

Study design

ICH type

ML model type

CT-Scan equipment

Data sources

Segmentation

Sensitivity %

Specificity %

Accuracy %

AUC

Schmitt, N., et al. 2022/Germany [39]

Retrospective

ICH

CNN

64-slice multidetector, single-source scanner (Somatom Defnition AS, Siemens Healthineers)

Single/Real-time data

2D

91

89

NA

0.9

Phaphuangwittayakul, A., et al. 2022/China [36]

Retrospective

ICH

CNN

NA

Single/Benchmark

2D

95.77

96.90

96.21

NA

EDH

95.48

96.02

95.68

SDH

96.01

97.55

96.54

IPH

95.83

97.13

96.41

Hopkins, B. S et al. 2022/ USA [29]

Prospective

ICH

DNN

NA

Single/Real-time data

2D

98

99

NA

0.99

Seyam, M., et al. 2022/ Switzerland [40]

Prospective

ICH

DL

256-section scanners (Somatom Force and Somatom Definition Flash, Siemens)

Single/Real-time data

2D

87.2

93.9

93

NA

Altuve, M., & Pérez, A. 2022/Venezuela [22]

Retrospective

ICH

ResNet-18

NA

Single/Real-time data

2D

95.65

96.2

95.93

NA

Tang, Z., et al. 2022/China[41]

Retrospective

ICH

CNN

NA

Single/Real-time data

2D

91.97

88.37

90.58

NA

Cortes-Ferre L, et al. 2022/ Spain [26]

Retrospective

ICH

DL

NA

Single/Benchmark

2D

91.4

94

92.7

0.978

Kau, T., et al. 2022/ Austria [30]

Retrospective

ICH

DL

NA

Single/Real-time data

2D

68.2

96.8

94

NA

Tharek A., et al. 2022/Malaysia [42]

Retrospective

ICH

CNN

NA

Single/Benchmark

2D

96.94

93.14

95

NA

Abe, D., et al. 2022/Japan [20]

Retrospective

ICH

XGBoost

NA

Single/Real-time data

2D

74

74.9

NA

0.8

Trevisi, G.et al. 2022/Italy [43]

Retrospective

ICH

RF

NA

Multiple/Real-time data

2D

77.52

86.29

83.55

0.93

Uchida, K., et al. 2022/Japan [44]

Prospective

ICH

LR

LR

NA

Multiple/Real-time data

2D

43

92

NA

0.82

RF

41

94

0.82

XGBoost

RF

40

92

0.81

SAH

LR

27

97

0.87

RF

XGBoost

16

98

0.85

XGBoost

23

97

0.86

Alis, D.. et al. 2022/Turkey [21]

Retrospective

ICH-Binary

CNN-RNN

NA

Multiple/Real-time data

2D

96.41

95.79

96.02

0.961

IPH

82.56

97.54

94.69

0.905

IVH

86.84

98.31

97.35

0.925

SAH

91.67

86.14

86.73

0.889

SDH

88.16

90.16

89.82

0.891

EDH

71.4

99.98

98.89

0.98

Rao, B. N. et al. 2022/ India [37]

Retrospective

ICH

VGG-16

64-slice CT scan

machine (GE OPTIMA, 64 slice)

Single/Real-time data

2D

91.2

93.1

93.1

0.965

GoogleNet (InceptionV3)

97.4

98.6

98.9

0.988

ResNet-50

97.1

99.3

98.2

0.984

Proposed model

99.4

99.7

99.6

1

Zhou, Q., et al. 2022/ China [50]

Retrospective

EDH

ResNet-18

ResNet-18/DenseNet-121

SIEMENS/GE/TOSHIBA/Neusoft

Single/Real-time data

2D

98

88

NA

NA

DenseNet-121

86

81

IVH

ResNet-18

85

91

DenseNet-121

73

85

CPH

ResNet-18

80

91

DenseNet-121

76

84

SAH

ResNet-18

81

91

DenseNet-121

81

83

SDH

ResNet-18

93

89

DenseNet-121

85

82

Salehinejad., H. et al. 2021/Canada [38]

Retrospective

EDH

SE-ResNeXt50-32 and SE-ResNeXt101-32 (DL)

64 row multi-detector CT scanner(Revolution, LightSpeed 64, or Optima 64, General Electric Medical Systems)

Single/Benchmark

2D

21.5

99.9

99.4

60.8

SDH

84.3

98.5

96.5

91.4

76.9

98.7

95.5

87.8

93.2

98.9

97.9

96.0

SAH

94.1

98.3

97.4

96.2

IVH

IPH

McLouth J., et al. 2021/USA [35]

Retrospective

Intraparenchymal, Intraventricular, Epidural/Subdural, and Subarachnoid

DL

GE Medical Systems, Philips, Siemens, Canon (Formerly Toshiba), and NMS

Multiple/Real-time data

2D

91.4

97.5

95.6

NA

Voter, Andrew., F et al. 2021/USA [45]

Retrospective

ICH

DSS (DL)

Helical GE, pitch of 0.531, 120 kV, thin axial reconstruction is 1.25-mm slices at 0.625-mm intervals

Multiple/Real-time data

2D

92.3

97.7

NA

NA

Xu J., et al. 2021/China [47]

Retrospective

ICH, EDH, and SDH

Dense U-Net (DL)

NA

Multiple/Real-time data

2D

NA

NA

NA

NA

Danilov, G., et al. 2021/Russian Federation [27]

Retrospective

EDH

ResNexT (DL)

NA

Single/Real-time data

2D

62.6

NA

82.8

0.762

SDH

51.8

NA

81.8

0.711

SAH

49.2

NA

82.9

0.748

72.3

NA

95.2

0.804

IVH

76.6

NA

0.868

0.803

IPH

XU X et al. 2021/China [48]

Retrospective

HICH

SVM

NA

Single/Real-time data

2D

90.9

84.1

85

NA

KNN

90

82.2

83.6

NA

LR

DT

90.9

84.1

85.5

NA

RF

80

87.5

85.5

NA

93.3

92.5

92.7

NA

XGBoost

92.3

88.1

89.1

NA

Wang W et al. 2021/China [46]

Retrospective

ICH

2D-CNN

Siemens/SOMATOM Definition AS CT scanner

Multiple/Benchmark

2D

95

94.4

NA

0.988

EDH

97.4

94

NA

0.984

IPH

96.5

95.9

NA

0.992

IVH

97.5

97.4

NA

0.996

SAH

94

94.2

NA

0.985

SDH

94.6

93.2

NA

0.983

Kumaravel, P et al. 2021/India [31]

Retrospective

ICH

AlexNet

NA

Multiple/Benchmark

2D

99.35

99.07

99.21

99.96

AlexNet-SVM

99.67

99.53

99.6

99.99

AlexNet-PCA-SVM

99.58

99.35

99.47

99.98

Ye, H., et al. 2019/ China [49]

Retrospective

ICH

CNN-RNN

NA

Multiple/Real-time data

2D

99

99

99

1

CPH

92

83

90

0.94

SAH

69

94

83

0.89

IVH

84

95

91

0.93

SDH

86

96

94

0.96

EDH

69

98

96

0.94

Kuo, W., et al. 2019/USA [32]

Retrospective

ICH

CNN

GE, Siemens

Single/Benchmark

2D

100

90

NA

NA

Lee, H., et al. 2019/USA [33]

Retrospective/Prospective

ICH, IPH, IVH, SDH, EDH or SAH

DCNNs—VGG16, ResNet-50, Inception-v3 and Inception-ResNet-v2 (DL)

NA

Single/Real-time data

2D

ICHr: 98

ICHr: 95

NA

ICHr: 0.993

IPHr: 92.5

IPHr: 91.8

IPHr: 0.98

IVHr: 87

IVHr: 95.9

IVHr: 0.979

SDHr: 87.5

SDHr: 86.9

SDHr: 0.959

EDHr: 58.3

EDHr: 95.2

EDHr: 0.922

SAHr: 84.1

SAHr: 88.5

SAHr: 0.96

ICHp: 92.4

ICHp: 94.9

NA

ICHp: 0.961

IPHp: 68.8

IPHp: 95

IPHp: 0.921

IVHp: 83.3

IVHp: 99.5

IVHp: 0.973

SDHp: 70.5

SDHp: 92.8

SDHp: 0.881

EDHp: NA

EDHp: NA

EDHp: NA

SAHp: 76.3

SAHp: 89.9

SAHp: 0.926

Arbabshirani, M. R., et al. 2018/USA [23]

Retrospective

ICH

R-CNN (DL)

17 scanners from 4 different manufacturers

Multiple/Real-time data

2D

70

87

84

0.846

Majumdar, A., et al. 2018/USA [34]

Retrospective

Epidural, Subdural,

Subarachnoid, Intraparenchymal

CNN (U-Net)

NA

Single/Real-time data

2D

81

98

NA

NA

Chang, P. D., et al. 2018/USA [24]

Retrospective

ICH

Mask R-CNN  + Hybrid 3D/2D CNN

NA

Single/Real-time data

2D

97.1

97.5

NA

0.984

Prospective

97.5

97.3

NA

0.972

Grewal., et al. 2018/USA[28]

Retrospective

ICH

CNN

NA

Multiple/Benchmark

2D

88.6

72.7

81.82

0.818

Chilamkurthy, S. et al. 2018/India [25]

Retrospective

ICH

CNN transfer learning (ResNet18)

 

Multiple/Real-time data

2D

98.07

98.73

NA

IPH

98.09

98.83

IVH

100

100

SAH

93.18

99.65

EDH

100

99.83

SAH

100

99.71