Model Info | Charlson Index | Elixhauser Index | ||
---|---|---|---|---|
 N | 1,658,372 | 1,658,372 | ||
 LL | -1,683,418.10 | -1,677,856.30 | ||
 df | 41 | 41 | ||
 AIC | 3,366,918.30 | 3,355,794.50 | ||
 BIC | 3,367,423.50 | 3,356,299.80 | ||
Predictors | OR (95% CI) | P | OR (95% CI) | P |
Comorbidity Index (per ½ SD) | 1.09 (1.09, 1.09) | <.001 | 1.13 (1.12, 1.13) | <.001 |
Year (ref = 2010) | ||||
 2011 | 1.00 (0.97, 1.02) | 0.673 | 0.99 (0.97, 1.01) | 0.484 |
 2012 | 0.96 (0.94, 0.98) | <.001 | 0.95 (0.93, 0.97) | <.001 |
 2013 | 0.93 (0.91, 0.95) | <.001 | 0.91 (0.89, 0.93) | <.001 |
 2014 | 0.92 (0.90, 0.94) | <.001 | 0.89 (0.87, 0.91) | <.001 |
 2015 | 0.88 (0.86, 0.90) | <.001 | 0.86 (0.84, 0.88) | <.001 |
 2016 | 0.87 (0.85, 0.89) | <.001 | 0.85 (0.83, 0.87) | <.001 |
Quarter (ref = 1st) | ||||
 2nd Quarter | 0.97 (0.96, 0.98) | <.001 | 0.97 (0.95, 0.98) | <.001 |
 3rd Quarter | 1.01 (1.00, 1.02) | 0.167 | 1.00 (0.99, 1.02) | 0.778 |
 4th Quarter | 0.99 (0.98, 1.01) | 0.277 | 0.99 (0.97, 1.00) | 0.086 |
Sex (ref = male) | ||||
 Female | 0.92 (0.91, 0.93) | <.001 | 0.92 (0.91, 0.92) | <.001 |
Age (per 10 year) | 0.97 (0.97, 0.98) | <.001 | 0.98 (0.98, 0.99) | <.001 |
Income Quartile (ref = 1st) | ||||
 2nd Quartile | 0.98 (0.97, 0.99) | 0.003 | 0.98 (0.97, 1.00) | 0.009 |
 3rd Quartile | 0.97 (0.95, 0.98) | <.001 | 0.97 (0.96, 0.99) | <.001 |
 4th Quartile | 0.94 (0.93, 0.96) | <.001 | 0.95 (0.93, 0.97) | <.001 |
 Missing | 0.97 (0.93, 1.00) | 0.083 | 0.97 (0.93, 1.01) | 0.136 |
Payer (ref = Medicare) | ||||
 Medicaid | 1.08 (1.06, 1.10) | <.001 | 1.08 (1.06, 1.09) | <.001 |
 Private | 0.69 (0.68, 0.71) | <.001 | 0.71 (0.70, 0.73) | <.001 |
 Self-Pay | 0.62 (0.60, 0.64) | <.001 | 0.63 (0.61, 0.65) | <.001 |
 Other/No Charge | 0.79 (0.77, 0.82) | <.001 | 0.80 (0.77, 0.82) | <.001 |
Disposition (ref = Routine to home) | ||||
 Post-acute care | 1.30 (1.28, 1.32) | <.001 | 1.21 (1.19, 1.23) | <.001 |
 Home Health | 1.35 (1.33, 1.37) | <.001 | 1.30 (1.28, 1.32) | <.001 |
 Other | 1.13 (1.06, 1.20) | <.001 | 1.07 (1.00, 1.14) | 0.038 |
Length of Stay (per day) | 1.02 (1.02, 1.02) | <.001 | 1.01 (1.01, 1.01) | <.001 |
Care intensity (ref = No) | ||||
 Non-invasive ventilation | 1.16 (1.14, 1.18) | <.001 | 1.08 (1.06, 1.10) | <.001 |
 Mechanical ventilation | 0.95 (0.92, 0.97) | <.001 | 0.82 (0.79, 0.84) | <.001 |
 Tracheostomy | 1.02 (0.97, 1.09) | 0.425 | 1.04 (0.99, 1.11) | 0.133 |
 Cardiac arrest | 0.82 (0.74, 0.91) | <.001 | 0.81 (0.74, 0.90) | <.001 |
 CPR | 1.08 (0.95, 1.24) | 0.242 | 1.09 (0.95, 1.24) | 0.21 |
Hospital ownership (ref = government) | ||||
 Private, non-profit | 0.99 (0.98, 1.01) | 0.437 | 0.98 (0.96, 1.00) | 0.022 |
 Private, for-profit | 1.04 (1.01, 1.06) | <.001 | 1.03 (1.01, 1.06) | 0.002 |
Hospital teaching status (ref = Non-teaching) | ||||
 Teaching Hospital | 1.01 (0.99, 1.02) | 0.423 | 1.00 (0.98, 1.01) | 0.902 |
Hospital location (ref = Large metro area) | ||||
 Small metro area | 0.94 (0.92, 0.95) | <.001 | 0.93 (0.92, 0.95) | <.001 |
 Micropolitan area | 0.89 (0.87, 0.91) | <.001 | 0.90 (0.88, 0.92) | <.001 |
 Rural | 0.87 (0.84, 0.90) | <.001 | 0.89 (0.86, 0.92) | <.001 |
Hospital Bed Size (ref = Small) | ||||
 Medium | 1.01 (0.99, 1.03) | 0.174 | 1.01 (0.99, 1.03) | 0.389 |
 Large | 1.02 (1.00, 1.04) | 0.04 | 1.01 (0.99, 1.03) | 0.407 |
Annual Discharge (per 10 k) | 1.01 (1.00, 1.02) | 0.13 | 1.01 (1.00, 1.02) | 0.012 |
Proportion of Medicaid patient days per 10% | 1.00 (1.00, 1.01) | 0.531 | 1.00 (0.99, 1.01) | 0.872 |