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©The Author(s) 2024.
World J Gastroenterol. Apr 28, 2024; 30(16): 2233-2248
Published online Apr 28, 2024. doi: 10.3748/wjg.v30.i16.2233
Published online Apr 28, 2024. doi: 10.3748/wjg.v30.i16.2233
Table 3 Performance of various predictive models in the training, internal validation and external validation groups
Models | Training group | Internal validation group | External validation group |
T2WI | |||
AUC (95%CI) | 0.817 (0.733-0.901) | 0.763 (0.626-0.900) | 0.759 (0.644-0.875) |
Sensitivity | 0.564 | 0.294 | 0.480 |
Specificity | 0.899 | 0.886 | 0.857 |
Positive predictive value | 0.733 | 0.556 | 0.632 |
Negative predictive value | 0.807 | 0.721 | 0.764 |
T1CE | |||
AUC (95%CI) | 0.798 (0.707-0.890) | 0.689 (0.521-0.857) | 0.841 (0.752-0.930) |
Sensitivity | 0.487 | 0.471 | 0.480 |
Specificity | 0.937 | 0.857 | 0.878 |
Positive predictive value | 0.792 | 0.615 | 0.667 |
Negative predictive value | 0.787 | 0.769 | 0.768 |
T2WI + T1CE | |||
AUC (95%CI) | 0.839 (0.757-0.921) | 0.787 (0.650-0.923) | 0.836 (0.735-0.937) |
Sensitivity | 0.641 | 0.529 | 0.560 |
Specificity | 0.899 | 0.914 | 0.939 |
Positive predictive value | 0.758 | 0.750 | 0.824 |
Negative predictive value | 0.835 | 0.800 | 0.807 |
Clinical model | |||
AUC (95%CI) | 0.804 (0.727-0.881) | 0.828 (0.719-0.937) | 0.813 (0.724-0.903) |
Sensitivity | 0.718 | 0.706 | 0.800 |
Specificity | 0.747 | 0.829 | 0.694 |
Positive predictive value | 0.583 | 0.667 | 0.571 |
Negative predictive value | 0.843 | 0.829 | 0.872 |
CR model | |||
AUC (95%CI) | 0.889 (0.824-0.954) | 0.889 (0.803-0.976) | 0.894 (0.814-0.974) |
Sensitivity | 0.692 | 0.647 | 0.760 |
Specificity | 0.924 | 0.886 | 0.899 |
Positive predictive value | 0.818 | 0.733 | 0.792 |
Negative predictive value | 0.859 | 0.838 | 0.880 |
- Citation: Liu Y, Sun BJT, Zhang C, Li B, Yu XX, Du Y. Preoperative prediction of perineural invasion of rectal cancer based on a magnetic resonance imaging radiomics model: A dual-center study. World J Gastroenterol 2024; 30(16): 2233-2248
- URL: https://www.wjgnet.com/1007-9327/full/v30/i16/2233.htm
- DOI: https://dx.doi.org/10.3748/wjg.v30.i16.2233