Table 2.
The summary of the relevant studies
| Classification | Patient number | Class ratioa | Sequences | Classifier | AUCb | resampling | References |
|---|---|---|---|---|---|---|---|
| EGFR mutation/wild type | 29/32 | 0.91 | CET1WI | RF | 0.89 | – | Ahn, 2020 [20] |
| EGFR mutation/wild type | 28/24 | 1.17 | CET1WI, T2WI, T2FLAIR, DWI | LASSO | 0.99 | – | Wang, 2021 [21] |
| EGFR mutation/wild type | 42/57 | 0.74 | CET1WI, ADC, FA | RF | 0.73 | – | Park, 2021 [22] |
| EGFR mutation/wild type | 92/96 | 0.96 | CET1WI, T2WI | LASSO | 0.90 | – | Cao, 2022 [23] |
| EGFR mutation/wild type | 70/92 | 0.76 | CET1WI, T2WI, T2FLAIR | LR | 0.85 | – | Zhen, 2022 [24] |
| EGFR/ALK mutations | 96/90 | 1.06 | CET1WI, T2WI, T2FLAIR | RF | 0.99 | – | Li, 2022 [25] |
| EGFR/ALK/KRAS mutations | 75/21/15 | 0.28/0.2 | CET1WI, T2FLAIR | RF | 0.91 | SMOTE | Chen, 2020 [28] |
| T790M positive/negative | 95/138 | 0.69 | CET1WI, T2WI, DWI | RF | 0.89 | SMOTE | Li, 2023 [26] |
| T790M positive/negative | 45/65 | 0.69 | CET1WI, T2WI | LASSO | 0.81 | – | Fan, 2023 [27] |
EGFR: epidermal growth factor receptor; ALK: anaplastic lymphoma kinase; KRAS: Kirsten rat sarcoma virus; AUC: the area under the receiver operating characteristic curve; T2WI: T2-weighted image; DWI: diffusion-weighted imaging; CET1WI: gadolinium-enhanced T1-weighted image; T2FLAIR: T2 fluid-attenuated inversion recovery; ADC: apparent diffusion coefficient; FA: fractional anisotropy; LR: logistic regression; RF: random forest; LASSO: least absolute shrinkage and selection operator; SMOTE: synthetic minority oversampling technique
aThe class ratio is relative to the first class
bWe only list AUC from the training set of best strategy for a fair comparison among the studies