Variable | Coefficient (95% CI) | Score points |
Age | ||
≥80 years | Reference | |
70–79 years | 0.36 (0 to 0.72) | 3 |
60–69 years | 0.5 (0.1 to 0.9) | 5 |
<60 years | 0.94 (0.56 to 1.31) | 9 |
Elective admission | 0.36 (0.03 to 0.69) | 3 |
High costs during hospitalisation* | ||
For imaging procedures | 0.6 (0.31 to 0.9) | 6 |
For laboratory analysis | 0.77 (0.46 to 1.09) | 7 |
High nurse workload† | 0.93 (0.61 to 1.26) | 9 |
Malnutrition‡‡ | 0.47 (0.1 to 0.84) | 4 |
Multimorbidity | ||
No of diagnoses ≤6 | Reference | |
No of diagnoses >6 and <14‡ | 0.61 (0.25 to 0.96) | 6 |
No of diagnoses ≥14§ | 0.78 (0.36 to 1.2) | 7 |
Medication at admission¶ | ||
Antineoplastic and immunomodulating agents | 0.85 (0.16 to 1.54) | 8 |
Nervous system | 0.33 (0.04, 0.63) | 3 |
Abnormal creatinine level** | ||
None | Reference | |
At admission only | 0.23 (-0.22 to 0.68) | 2 |
At admission and discharge | 0.11 (-0.22 to 0.45) | 1 |
At discharge only | 0.96 (0.29 to 1.63) | 9 |
Leucocytosis†† | ||
None | Reference | |
At admission only | 0.11 (-0.49 to 0.71) | 1 |
At admission and discharge | 1.12 (-0.04 to 2.29) | 10 |
At discharge only | 1.68 (0.18 to 3.18) | 16 |
Intercept | −2.93 (-3.39 to 2.46) | NA |
*Defined as costs of all imaging procedures or laboratory analysis (without microbiology) during hospital stay above 75th percentile.
†Defined as sum of hours of all nursing work (including sitting guard) during hospital stay above 75th percentile.
‡Between 25th and 75th percentile.
§Above 75th percentile.
¶Group of drugs according to ATC classification.
**Defined as serum creatinine ≥100 µmol/L.
††Defined as blood leucocyte count ≥20 G/L.
‡‡ICD10-codes E40 through E46.
ATC, Anatomical Therapeutic Chemical classification system; ICD-10, 10th Revision of International Classification of Disease; PCA, Patient Complexity Assessment.