Figures & data
Figure 1 Structure of tree obtained using CART with minsplit = 100.
Abbreviation: CART, classification and regression tree.
![Figure 1 Structure of tree obtained using CART with minsplit = 100.](/cms/asset/11d0a4b3-3042-4ad0-9944-97abd3e1c382/dppa_a_162206_f0001_b.jpg)
Table 1 Comparisons of DRT- and IRT-based approaches
Table 2 Comparison of DRT-based CAT score with sociodemographic, clinical and QoL data
Figure S1 Cross-validation results (1,000 replicates, 200 values of minsplit).
Note: (A) The number of items in function of minsplit, (B) the correlation in function of minsplit, (C) RMSE in function of minsplit.
Abbreviation: RMSE, root mean square error.
![Figure S1 Cross-validation results (1,000 replicates, 200 values of minsplit).Note: (A) The number of items in function of minsplit, (B) the correlation in function of minsplit, (C) RMSE in function of minsplit.Abbreviation: RMSE, root mean square error.](/cms/asset/2d8f8820-3c96-40cb-994a-c91a57f98b66/dppa_a_162206_sf0001_b.jpg)
Table S1 Cross-validation results for the DRT-based approach