Table 1

Original and simplified HOSPITAL score for 30-day potentially avoidable readmissions

VariableOriginal score (number of point if positive)Simplified score (number of points if positive)
Haemoglobin level at discharge <12 g/dL11
Cancer diagnosis or discharge from an Oncology division *22
Sodium level at discharge <135 mmol/L11
Any ICD-9 or ICD-10 Procedure during hospitalisation†1NA
Index Type of admission: non-elective‡11
Number of hospital Admissions during the previous 12 months
 0–100
 2–522
 >555
Length of stay ≥5 days22
Total1312
  • *‘Discharge from an Oncology division’ in the original version of the score.

  • †This variable was left out in the simplified version of the score.

  • ‡Defined as not scheduled in advance for treatment or investigation.

  • ICD, International Code of Diseases.