| #Case | Stay identifier |
| #Hospital | Hospital identifier |
| #Site | Location of the hospital |
| Year | Year of the analysis |
| #Ageclass | 01-16, 16-50, 51-70, 71-80, >80 (years) |
| Programmed | 1=planned, 0=unplanned (corresponding to “admission mode” = 1 or 3 in SQLape_input.txt file) |
| UJ1 | Observed unjustified stay (1 = yes, 0 = no) |
| UJ0 | Expected unjustified rate (see prediction models for more details) |
| ML1 | Observed more or less justified stay (1 = yes, 0 = no) |
| ML0 | Expected more or less justified rate (see prediction models for more details) |