Table 4.
Care Coordination and 30-Day Readmissions
| Variable | Continuity of care | Usual provider of care |
|---|---|---|
| Percentile | ||
| Lowest 25th | ref | ref |
| 25th-50th | 1.18 (1.05–1.33) | 1.04 (0.91–1.19) |
| 50th-75th | 1.14 (1.01–1.28) | 1.11 (1.00–1.23) |
| Highest 25th | 1.19 (1.06–1.34) | 1.12 (1.00–1.25) |
| Sex | ||
| Male | ref | ref |
| Female | 1.03 (0.94–1.12) | 1.02 (0.94–1.12) |
| Age | ||
| <65 y | ref | ref |
| 65–74 y | 0.89 (0.79–1.01) | 0.89 (0.79–1.01) |
| ≥75 y | 0.88 (0.76–1.01) | 0.88 (0.76–1.02) |
| Regiona | ||
| Northeast | ref | ref |
| Midwest | 0.97 (0.85–1.11) | 0.98 (0.86–1.11) |
| South | 0.88 (0.78–0.99) | 0.88 (0.79–0.99) |
| West | 0.91 (0.79–1.04) | 0.92 (0.80–1.05) |
| Race | ||
| White | ref | ref |
| Black | 1.18 (1.04–1.35) | 1.19 (1.05–1.35) |
| Hispanic | 0.84 (0.69–1.03) | 0.85 (0.69–1.03) |
| Other | 0.86 (0.71–1.05) | 0.87 (0.71–1.06) |
| End-stage renal disease | 1.57 (1.35–1.82) | 1.56 (1.35–1.81) |
| Medicaid status | ||
| None | ref | ref |
| Full | 1.08 (0.98–1.20) | 1.08 (0.98–1.20) |
| Partial | 1.08 (0.94–1.24) | 1.08 (0.94–1.24) |
| Charlson comorbidity index | 1.08 (1.07–1.09) | 1.08 (1.07–1.09) |
| Hepatitis C virus | 0.83 (0.69–1.00) | 0.84 (0.70–1.01) |
| Alcoholic cirrhosis | 1.28 (1.15–1.44) | 1.29 (1.15–1.44) |
| Nonviral non alcohol-related cirrhosis | 1.05 (0.89–1.24) | 1.06 (0.90–1.25) |
| Ascites | 0.80 (0.52–1.21) | 0.79 (0.52–1.21) |
| Varices | 0.79 (0.65–0.97) | 0.80 (0.65–0.97) |
| Hepatic encephalopathy | 1.18 (1.03–1.36) | 1.19 (1.03–1.36) |
| Hepatocellular carcinoma | 1.01 (0.78–1.31) | 1.02 (0.79–1.33) |
| Transjugular intrahepatic portosystemic shunt | 0.96 (0.65–1.43) | 0.97 (0.65–1.44) |
| Spontaneous bacterial peritonitis | 1.19 (0.54–2.61) | 1.23 (0.56–2.69) |
| Paracentesis | 1.29 (1.06–1.57) | 1.29 (1.07–1.57) |
| Location | ||
| Rural | ref | ref |
| Urban | 1.17 (1.04–1.31) | 1.17 (1.04–1.31) |
| Disability | 1.08 (0.96–1.21) | 1.08 (0.96–1.21) |
Values are incidence rate ratio (95% confidence interval).