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Impact on model akaike information criteria (AIC) after addition of dropped predictors. An increase in AIC represents a poorer parameter‐penalized model fit
| Added Predictor | AIC |
|---|---|
| Final model which includes 25(OH)D and age | 36.97 |
| Albumin | 38.97 |
| Calcium | 38.81 |
| Sex | 38.60 |
| Histology tertile | 40.31 |
