Ninety-day readmission or death, AUROC curves, with data imputation
| Prognostic score | Derivation | Internal validation | External validation |
|---|---|---|---|
| PEARL | 0.73 (0.70 to 0.77) | 0.68 (0.64 to 0.72) | 0.70 (0.66 to 0.73) |
| ADO | 0.67 (0.63 to 0.71)* | 0.64 (0.60 to 0.67)† | 0.58 (0.54 to 0.62)* |
| BODEX | 0.65 (0.61 to 0.69)* | 0.64 (0.60 to 0.68)‡ | 0.62 (0.58 to 0.66)* |
| CODEX | 0.69 (0.65 to 0.73)† | 0.66 (0.63 to 0.70) NS | 0.62 (0.58 to 0.66)* |
| DOSE | 0.63 (0.59 to 0.67)* | 0.59 (0.55 to 0.64)* | 0.61 (0.57 to 0.65)* |
| LACE | 0.65 (0.61 to 0.69)* | 0.61 (0.57 to 0.65)† | 0.65 (0.61 to 0.68)‡ |
AUROC curves (and 95% CIs) of each score compared with PEARL by method of DeLong et al: *<0.001, †<0.01, ‡<0.05.
Missing data >20% for BODEX and DOSE. On complete case analysis, BODEX=0.63 (0.59–0.67), DOSE=0.60 (0.53–0.66).
NS, not significant.