Table 3.
Results from Bayesian multilevel logistic regression analysis: association of patient case mix with the study outcomes, Emilia-Romagna, year 2017. Odds ratio (OR) estimate is not available (—) if the patient-level predictor was discarded in preliminary automated regression analyses; clinical conditions not shown in the table were also discarded in preliminary analyses.
| PREDICTOR | BARTHEL SCORING IMPROVEMENT ≥10 | TRANSFER TO ACUTE CARE HOSPITAL | LENGTH OF STAY ≥20 DAYS | ||||
|---|---|---|---|---|---|---|---|
| POSTERIOR OR | 95% CRED. INTERVAL | POSTERIOR OR | 95% CRED. INTERVAL | POSTERIOR OR | 95% CRED. INTERVAL | ||
| Sex (female vs. male) | 1.15 | 0.94–1.40 | 0.83 | 0.63–1.09 | 1.30* | 1.07–1.55 | |
| Age (1-year increase) | 0.95* | 0.94–0.96 | 0.99 | 0.97–1.003 | 0.99 | 0.98–1.01 | |
| Barthel score at admission (1-point increase) | 1.02* | 1.01–1.02 | 0.99* | 0.98–0.995 | 0.99* | 0.986–0.993 | |
| Squared-Barthel score at admission (1-point increase) | 0.999* | 0.999–0.999 | — | — | |||
| Hip fracture | 1.65* | 1.24–2.16 | 0.70 | 0.45–1.01 | 1.42* | 1.09–1.78 | |
| Chronic kidney disease | — | 1.90* | 1.28–2.70 | — | |||
| Metastatic cancer | 0.45* | 0.22–0.83 | — | — | |||
| Cerebrovascular diseases | 0.69* | 0.54–0.86 | — | 1.45* | 1.16–1.80 | ||
| Dementia | 0.61* | 0.47–0.79 | — | — | |||
| Admission source (hospital vs.home/residential facility) | 1.46* | 1.08–1.93 | — | — | |||
| Variance Partition Coefficient (VPC) | 0.271 | 0.062 | 0.147 | ||||
* Significant at the 5% level.