Table 2 Baseline characteristics of the included studies
Author (year of publication) | Algorithm | Sequences | Segmentation | Dataset | Sensitivity | Specificity |
|---|---|---|---|---|---|---|
Hongna Tan (2020) | SVM | T2-FS | 3D | Training set | 84.38% | 72.25% |
| Â | Â | Â | Â | Validation set | 65.22% | 81.08% |
Thomas Ren (2020) | CNN | T1CE | 2D | Validation set | 92.10 ± 2.90% | 79.30 ± 5.10% |
Xiao Zhang (2019) | RF | DWI | 3D | Validation set | 83.30% | 74.20% |
| Â | Â | T2-FS | Â | Â | 77.80% | 87.10% |
Jia Liu (2019) | SVM | T1CE | 3D | Training set | 75.00% | 76.00% |
| Â | Â | Â | Â | Validation set | 71.00% | 100.00% |
| Â | Xgboost | Â | Â | Training set | 89.00% | 76.00% |
| Â | Â | Â | Â | Validation set | 86.00% | 83.00% |
| Â | LR | Â | Â | Training set | 71.00% | 71.00% |
| Â | Â | Â | Â | Validation set | 71.00% | 83.00% |
Karl D Spuhler (2019) | CNN | T1CE | 3D | Testing set | 72.20% | 88.90% |
Lu Han (2019) | SVM | T1CE | 2D | Training set | 89.00% | 57.00% |
| Â | Â | Â | Â | Validation set | 78.00% | 72.00% |
Jiaxiu Luo (2018) | SVM | DWI | 3D | Testing set | 86.70% | 83.30% |
Chunling Liu (2019) | LR | T1CE | 3D | Training set | 76.10% | 66.70% |
| Â | Â | Â | Â | Validation set | 81.90% | 77.80% |
Yuhao Dong (2018) | LR | T2-FS | 3D | Training set | 66.30 ± 0.30% | 81.60 ± 0.20% |
|  |  |  |  | Validation set | 60.00 ± 0.60% | 74.70 ± 0.40% |
|  |  | DWI |  | Training set | 74.00 ± 0.20% | 80.80 ± 0.20% |
|  |  |  |  | Validation set | 69.50 ± 0.50% | 75.70 ± 0.40% |
|  |  | T2-FS and DWI |  | Training set | 66.30 ± 0.30% | 81.60 ± 0.20% |
|  |  |  |  | Validation set | 70.00 ± 0.80% | 74.70 ± 0.50% |
Meijie Liu (2020) | LR | T1CE | 2D | Validation set | 64.00% | 79.00% |
Xiaoyu Cui (2019) | SVM | T1CE | 3D | Validation set | 94.90% | 77.96% |
| Â | KNN | Â | Â | Â | 89.39% | 87.18% |
| Â | LDA | Â | Â | Â | 80.31% | 67.78% |
Demircioglu (2020) | LR | T1CE and T2-FS | 3D | Validation set | 71.00% | 74.00% |
Arefan (2020) | LDA | T1CE | 2D | Testing set | 60.00% | 87.00% |
| Â | RF | Â | Â | Â | 60.00% | 86.00% |
| Â | NB | Â | Â | Â | 81.00% | 67.00% |
| Â | KNN | Â | Â | Â | 74.00% | 54.00% |
| Â | SVM | Â | Â | Â | 70.00% | 71.00% |
| Â | LDA | Â | 3D | Â | 63.00% | 92.00% |
| Â | RF | Â | Â | Â | 64.00% | 90.00% |
| Â | NB | Â | Â | Â | 85.00% | 62.00% |
| Â | KNN | Â | Â | Â | 67.00% | 58.00% |
| Â | SVM | Â | Â | Â | 81.00% | 50.00% |
| Â | LDA | Â | 2D | Validation set | 82.00% | 76.00% |
| Â | RF | Â | Â | Â | 89.00% | 68.00% |
| Â | NB | Â | Â | Â | 73.00% | 82.00% |
| Â | KNN | Â | Â | Â | 79.00% | 75.00% |
| Â | SVM | Â | Â | Â | 65.00% | 88.00% |
| Â | LDA | Â | 3D | Â | 82.00% | 78.00% |
| Â | RF | Â | Â | Â | 89.00% | 70.00% |
| Â | NB | Â | Â | Â | 69.00% | 76.00% |
| Â | KNN | Â | Â | Â | 75.00% | 75.00% |
| Â | SVM | Â | Â | Â | 73.00% | 79.00% |
Fusco (2018) | LDA | T1CE | 3D | Validation set | 88.50% | 77.80% |