The phrase "administrative models are" is correct and usable in written English.
You can use it when discussing or describing various types of administrative models in a formal or academic context.
Example: "Administrative models are essential for understanding the structure and function of organizations."
Alternatives: "administrative frameworks are" or "administrative systems are".
For the purpose of our study, we have no reason to believe this has affected our results, as the clinical and the administrative models were fitted on this outcome.
After updating of the models to our data, the calibration of the administrative model was inferior to that of the clinical model.
For transfusion at 24 hours, the C-statistic for the administrative model was 0.756 and the pseudo-R [ 2] was 0.196; corresponding values for the comprehensive model were 0.928 and 0.542.
For transfusion through the end of hospitalization, the C-statistic for the administrative model was 0.738 and the pseudo-R [ 2] was 0.176; corresponding values for the comprehensive model were 0.872 and 0.437.
The updated administrative model was inferior to the updated clinical model with respect to discrimination (c-statistic of 0.77 vs 0.85, p<0.001) and calibration (Brier Score of 2.8% vs 2.6%, p<0.001, maximum score 3.0%).
The effect of the use of administrative versus clinical models on benchmarking is shown in figure 4. The majority of SMRs calculated using the original administrative model was higher than 1, which indicates that the model underestimated the risk of mortality.
Reasons for failed linkage were: the HDR record could not be linked to the municipal registries or no HDR record existed for the specific intervention (18.7%), the NVT record could not be linked to the municipal registries (2.7%) or no administrative model was available for the record (1.6%).
In Fig. 3, the ANSI RBAC and, within dashed lines, the Administrative RBAC models are depicted.
The patient study samples used to create the derivation and validation cohorts for the administrative claims models are summarized in Table S1 and Figure 1.
