Table 3. Logistic regression results, 3-day readmission.
| Odds ratio | P-value | 95% CI | AIC | BIC | |
|---|---|---|---|---|---|
| Functional | |||||
| Age | 1.013 | 0.000 | 1.009 -1.017 | 12996.54 | 13060.31 |
| Sex | |||||
| Female | 0.827 | 0.004 | 0.726 - 0.941 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 0.911 | 0.300 | 0.764 - 1.087 | ||
| Other | 0.868 | 0.127 | 0.725 - 1.041 | ||
| Motor FIM | 0.961 | 0.000 | 0.955 - 0.967 | ||
| Cognitive FIM | 0.952 | 0.000 | 0.945 - 0.959 | ||
| Constant | 0.113 | 0.000 | 0.075 - 0.171 | ||
| Functional + Deyo | |||||
| Age | 1.012 | 0.000 | 1.008 - 1.016 | 12989.70 | 13071.68 |
| Sex | |||||
| Female | 0.828 | 0.004 | 0.727 - 0.942 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 0.902 | 0.251 | 0.756 - 1.076 | ||
| Other | 0.872 | 0.137 | 0.727 - 1.045 | ||
| Motor FIM | 0.960 | 0.000 | 0.954 - 0.967 | ||
| Cognitive FIM | 0.953 | 0.000 | 0.946 - 0.960 | ||
| Charlson index | 0.990 | 0.883 | 0.870 - 1.127 | ||
| Constant | 0.115 | 0.000 | 0.076 - 0.172 | ||
| Functional + Elixhauser | |||||
| Age | 1.013 | 0.000 | 1.009 - 1.017 | 12998.51 | 13071.38 |
| Sex | |||||
| Female | 0.826 | 0.004 | 0.726 - 0.941 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 0.911 | 0.300 | 0.765 - 1.086 | ||
| Other | 0.869 | 0.129 | 0.724 - 1.042 | ||
| Motor FIM | 0.961 | 0.000 | 0.955 - 0.967 | ||
| Cognitive FIM | 0.952 | 0.000 | 0.945 - 0.959 | ||
| Elixhauser weighted sum | 0.999 | 0.891 | 0.985 - 1.013 | ||
| Constant | 0.113 | 0.000 | 0.075 - 0.172 | ||
| Functional + CMS Tiers | |||||
| Age | 1.015 | 0.000 | 1.010 - 1.019 | 12960.51 | 13051.60 |
| Sex | |||||
| Female | 0.818 | 0.003 | 0.718 - 0.932 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 0.903 | 0.257 | 0.756 - 1.077 | ||
| Other | 0.874 | 0.144 | 0.729 - 1.047 | ||
| Motor FIM | 0.961 | 0.000 | 0.955 - 0.968 | ||
| Cognitive FIM | 0.953 | 0.000 | 0.945 - 0.960 | ||
| CMS Tiers | |||||
| No cost | 1.000 | ||||
| Low cost | 1.083 | 0.433 | 0.887 - 1.323 | ||
| Med cost | 0.667 | 0.000 | 0.538 - 0.827 | ||
| High cost | 1.289 | 0.009 | 1.066 - 1.558 | ||
| Constant | 0.104 | 0.000 | 0.065 - 0.165 | ||
| Demo + Deyo | |||||
| Age | 1.017 | 0.000 | 1.013 - 1.021 | 13631.53 | 13695.30 |
| Sex | |||||
| Female | 0.726 | 0.000 | 0.636 - 0.830 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 0.933 | 0.441 | 0.782 - 1.113 | ||
| Other | 0.919 | 0.353 | 0.768 - 1.099 | ||
| Charlson index | 0.958 | 0.509 | 0.843 - 1.089 | ||
| Constant | 0.010 | 0.000 | 0.007 - 0.013 | ||
| Demo + Elixhauser | |||||
| Age | 1.018 | 0.000 | 1.013 - 1.022 | 13633.48 | 13688.14 |
| Sex | |||||
| Female | 0.732 | 0.000 | 0.640 - 0.837 | ||
| Race | |||||
| Black | 0.937 | 0.466 | 0.786 - 1.116 | ||
| Other | 0.911 | 0.310 | 0.761 - 1.091 | ||
| Elixhauser weighted sum | 1.014 | 0.036 | 1.001 - 1.028 | ||
| Constant | 0.009 | 0.000 | 0.007 - 0.012 | ||
| Demo + CMS Tiers | |||||
| Age | 1.019 | 0.000 | 1.015 - 1.024 | 13509.31 | 13582.19 |
| Sex | |||||
| Female | 0.746 | 0.000 | 0.653 - 0.853 | ||
| Race | |||||
| White | 1.000 | ||||
| Black | 0.938 | 0.473 | 0.787 - 1.118 | ||
| Other | 0.920 | 0.364 | 0.769 - 1.101 | ||
| CMS Tiers | |||||
| No cost | 1.000 | ||||
| Low cost | 1.265 | 0.013 | 1.051 - 1.522 | ||
| Med cost | 1.008 | 0.080 | 0.828 - 1.228 | ||
| High cost | 2.596 | 0.000 | 2.202 - 3.061 | ||
| Constant | 0.007 | 0.000 | 0.006 - 0.010 |