Table 1.
Review of scoring systems validated
| Model | Year of publication | Country of development | Population | Number of model parameters | Validation | AUC [range] (Number of studies) |
|---|---|---|---|---|---|---|
| POSSUM | 1991 | United Kingdom | General surgery | 18 | External | [62.7–81.0] (10) |
| P-POSSUM | 1996 | United Kingdom | General surgery | 18 | External | [64.8–86.8] (13) |
| CR-POSSUM | 2004 | United Kingdom | Colorectal surgery | 10 | External | [59.0–89.8] (22) |
| AFC | 2005 | France | Colorectal surgery for malignant or diverticular disease | 4 | External | [71.4–89.0] (6) |
| IRCS | 2014 | Netherlands, Spain | Colorectal surgery | 5 | External | [83.0–85.0] (2) |
AUC Area under the curve