Table 2.
Multivariate logistic regression analysis for predictors of a prolonged length of stay
| Covariate | OR | 95% CI | P-value |
|---|---|---|---|
| Age quintile (in years) | |||
| 18–43 | Reference | ||
| 43–56 | 1.71 | 1.04, 2.8 | 0.03 |
| 56–65 | 2.53 | 1.5, 4.2 | <0.01 |
| 65–77 | 2.51 | 1.4, 4.5 | <0.01 |
| ≥77 | 1.73 | 0.83, 3.60 | 0.14 |
| Discharge disposition | |||
| Home (with or without HHA) | Reference | ||
| PAC facility | 11.92 | 2.63, 53.94 | <0.01 |
| Psychiatric hospital | 3.09 | 0.30, 31.66 | 0.34 |
| Hospice | 3.99 | 0.50, 31.66 | 0.19 |
| Deceased | 1.4 | 0.15, 12.82 | 0.76 |
| Interaction age quintile/discharge disposition | |||
| 43–56#Hospice | Reference | ||
| 43–56#PAC | 0.3 | 0.05, 1.71 | 0.18 |
| 43–56#Deceased | 1.22 | 0.07, 20.41 | 0.9 |
| 56–65#Hospice | Reference | ||
| 56–65#PAC | 0.18 | 0.03, 0.92 | 0.04 |
| 56–65#Deceased | 0.41 | 0.04, 4.86 | 0.48 |
| 65–77#Hospice | Reference | ||
| 65–77#PAC | 0.18 | 0.04, 0.94 | 0.04 |
| 65–77#Deceased | 0.61 | 0.06, 6.34 | 0.67 |
| ≥77#Hospice | Reference | ||
| ≥77#PAC | 0.35 | 0.07, 1.85 | 0.22 |
| ≥77#Deceased | 1.58 | 0.15, 16.69 | 0.7 |
| Housing | |||
| Private home | Reference | ||
| ALF/PAC facility | 0.6 | 0.39, 0.91 | 0.02 |
| Undomiciled/shelter | 0.24 | 0.10, 0.59 | <0.01 |
| Primary insurance | |||
| Medicare/Commercial/VA/Self | Reference | ||
| Medicaid | 1.08 | 0.75, 1.55 | 0.7 |
| Uninsured/COVID-19 fund | 3.2 | 1.13, 9.08 | 0.03 |
| ICU and intubation | |||
| No ICU stay, no intubation | Reference | ||
| ICU stay without intubation | 4.07 | 2.37, 6.99 | <0.01 |
| ICU stay with intubation | 18.41 | 11.46, 29.58 | <0.01 |
Abbreviations: ALF = assisted living facility; CI = confidence interval; HHA = home health agency; ICU = intensive care unit; PAC = post acute care; VA = Veterans Affairs.