Table 4. Logistic regression results, 30-day readmission.
| Odds Ratio | P-value | 95% CI | AIC | BIC | |
|---|---|---|---|---|---|
| Functional | |||||
| Age | 1.015 | 0.000 | 1.012 - 1.018 | 42500.14 | 42563.91 |
| Sex | |||||
| Female | 0.877 | 0.000 | 0.823 - 0.935 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 1.093 | 0.103 | 0.982 - 1.216 | ||
| Other | 1.010 | 0.861 | 0.900 - 1.134 | ||
| Motor FIM | 0.970 | 0.000 | 0.966 - 0.974 | ||
| Cognitive FIM | 0.976 | 0.000 | 0.972 - 0.980 | ||
| Constant | 0.235 | 0.000 | 0.171 - 0.321 | ||
| Functional + Deyo | |||||
| Age | 1.013 | 0.000 | 1.011 - 1.016 | 42405.77 | 42487.75 |
| Sex | |||||
| Female | 0.878 | 0.000 | 0.824 - 0.936 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 1.077 | 0.171 | 0.969 - 1.197 | ||
| Other | 1.015 | 0.796 | 0.905 - 1.140 | ||
| Motor FIM | 0.969 | 0.000 | 0.966 - 0.973 | ||
| Cognitive FIM | 0.977 | 0.000 | 0.973 - 0.981 | ||
| Charlson index | 1.048 | 0.130 | 0.986 - 1.115 | ||
| Constant | 0.240 | 0.000 | 0.176 - 0.327 | ||
| Functional + Elixhauser | |||||
| Age | 1.014 | 0.000 | 1.011 - 1.017 | 42436.39 | 42509.26 |
| Sex | |||||
| Female | 0.884 | 0.000 | 0.829 - 0.941 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 1.085 | 0.117 | 0.980 - 1.201 | ||
| Other | 1.003 | 0.952 | 0.897 - 1.122 | ||
| Motor FIM | 0.971 | 0.000 | 0.967 - 0.974 | ||
| Cognitive FIM | 0.977 | 0.000 | 0.972 - 0.981 | ||
| Elixhauser weighted sum | 1.021 | 0.000 | 1.011 - 1.031 | ||
| Constant | 0.216 | 0.000 | 0.158 - 0.297 | ||
| Functional + CMS Tiers | |||||
| Age | 1.015 | 0.000 | 1.012 - 1.018 | 42289.78 | 42389.98 |
| Sex | |||||
| Female | 0.879 | 0.000 | 0.824 - 0.937 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 1.093 | 0.097 | 0.984 - 1.213 | ||
| Other | 1.021 | 0.732 | 0.907 - 1.149 | ||
| Motor FIM | 0.990 | 0.161 | 0.975 - 1.004 | ||
| Cognitive FIM | 0.978 | 0.000 | 0.974 - 0.982 | ||
| CMS Tiers | |||||
| No cost | 1.000 | ||||
| Low cost | 1.558 | 0.000 | 1.392 - 1.744 | ||
| Med cost | 1.153 | 0.012 | 1.032 - 1.289 | ||
| High cost | 1.511 | 0.000 | 1.337 - 1.709 | ||
| Constant | 0.142 | 0.000 | 0.093 - 0.215 | ||
| Odds Ratio | P-value | 95% CI | AIC | BIC | |
| Demo + Deyo-Charlson | |||||
| Age | 1.015 | 0.000 | 1.013 - 1.018 | 43699.56 | 43763.32 |
| Sex | |||||
| Female | 0.803 | 0.000 | 0.752 - 0.857 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 1.108 | 0.047 | 1.001 - 1.226 | ||
| Other | 1.049 | 0.402 | 0.938 - 1.174 | ||
| Charlson index | 1.030 | 0.335 | 0.970 - 1.093 | ||
| Constant | 0.052 | 0.000 | 0.042 - 0.064 | ||
| Demo + Elixhauser | |||||
| Age | 1.016 | 0.000 | 1.013 - 1.019 | 43636.28 | 43690.94 |
| Sex | |||||
| Female | 0.816 | 0.000 | 0.764 - 0.871 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 1.110 | 0.033 | 1.008 - 1.223 | ||
| Other | 1.034 | 0.545 | 0.929 - 1.151 | ||
| Elixhauser weighted sum | 1.031 | 0.000 | 1.023 - 1.040 | ||
| Constant | 0.047 | 0.000 | 0.038 - 0.058 | ||
| Demo + CMS Tiers | |||||
| Age | 1.017 | 0.000 | 1.014 - 1.020 | 43245.04 | 43317.91 |
| Sex | |||||
| Female | 0.829 | 0.000 | 0.776 - 0.886 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 1.119 | 0.025 | 1.014 - 1.236 | ||
| Other | 1.052 | 0.392 | 0.937 - 1.181 | ||
| CMS Tiers | |||||
| No cost | 1.000 | ||||
| Low cost | 1.717 | 0.000 | 1.558 - 1.892 | ||
| Med cost | 1.469 | 0.000 | 1.341 - 1.610 | ||
| High cost | 2.299 | 0.000 | 2.067 - 2.557 | ||
| Constant | 0.039 | 0.000 | 0.031 - 0.049 |