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a. Study overview in the training set. b. Study overview in the test set. The experiment was repeated in the following classifications: in Group 1 and Group 2, 3, and 4; in Group 2 and Groups 1, 3, and 4; in Group 3 and Groups 1, 2, and 4; in Group 4 and Groups 1, 2, and 3. NPM 2, New Prediction Model 2; MI, myometrial invasion. The difference compared to NPM1 is that NPM2 did not use the depth of MI as a variable in the imputation process.
