Information of six studies with unavailable data
| Author | Year | Country | AUC | Conclusion |
| Deng24 | 2019 | China | / | High Fuhrman grade cancers were associated with larger tumour diameter and an increased entropy value(texture analysis) at coarse filter correlated with high Fuhrman grade tumour. |
| Lubner25 | 2016 | USA | / | Entropy, the SD of the pixel distribution histogram, and the mean of positive pixels were associated with nuclear grade. |
| Scrima26 | 2019 | USA | / | Entropy and mean of the positive pixels also showed an association with nuclear grade. |
| Ding27 | 2018 | China | 0.771 | Texture-score based models can facilitate the preoperative discrimination of the high from low grade clear cell RCC. |
| Sun28 | 2019 | China | 0.91 | The SVM model constructed by CT-based radiomic features can effectively identify the ISUP grades of clear cell RCC. |
| Haji-Momenian29 | 2020 | USA | 0.97 | The histologic grade of small clear cell RCC can be accurately predicted with machine learning algorithms using histogram features. |
AUC, area under the curve; ISUP, International Society of Urologic Pathology; RCC, renal cell carcinoma; SVM, support vector machines.