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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: Med Care. 2019 Jul;57(7):560–566. doi: 10.1097/MLR.0000000000001140

Figure 1:

Figure 1:

Patient allocation. Once the study population was defined; it was split at a 3:1 ratio into training and test sets. The training set was further split to create an intermediate tuning set.