Table 1.
Characteristic of subjects upon entry into cohort
| Total | Readmission Within 1 Year | Likelihood of | |||
|---|---|---|---|---|---|
| No | Yes | Readmission | |||
| (N=186,856) | (N=155,668) | (N=31,188) | |||
| (% of column) | OR (95% CI) | ||||
| Age | 2-4y | 26.6 | 26.7 | 26.0 | 0.83 (0.8, 0.86) |
| 5-9y | 28.7 | 29.2 | 26.7 | 0.79 (0.76, 0.82) | |
| 10-14y | 28.9 | 28.8 | 29.4 | 0.87 (0.84, 0.91) | |
| 15-18y | 15.7 | 15.3 | 17.8 | Reference | |
| Gender | Male | 54.4 | 54.7 | 53.1 | 0.94 (0.92, 0.96) |
| Female | 45.6 | 45.3 | 46.9 | Reference | |
| Race | White | 52.9 | 53.5 | 50.3 | 1.12 (1.06, 1.18) |
| Black | 23.5 | 22.5 | 28.4 | 1.5 (1.42, 1.59) | |
| Hispanic | 15.1 | 15.3 | 13.8 | 1.07 (1.01, 1.14) | |
| Asian | 1.9 | 1.9 | 1.8 | 1.15 (1.03, 1.27) | |
| Other | 6.6 | 6.8 | 5.7 | Reference | |
| Census Region |
Northeast | 15.6 | 15.5 | 16.1 | 1.07 (1.02, 1.11) |
| South | 38.2 | 38.6 | 36.6 | 0.98 (0.94, 1.01) | |
| North Central | 27.5 | 27.2 | 29.0 | 1.1 (1.06, 1.14) | |
| West | 18.7 | 18.8 | 18.3 | Reference | |
| Admission Season |
Spring | 25.1 | 25.5 | 23.0 | 0.88 (0.85,0.91) |
| Summer | 24.8 | 25.1 | 23.1 | 0.89 (0.86, 0.92) | |
| Fall | 25.7 | 25.1 | 28.9 | 1.12 (1.08, 1.16) | |
| Winter | 24.4 | 24.3 | 25.0 | Reference | |
| Payer | Government | 36.7 | 35.4 | 43.2 | 1.31 (1.27, 1.35) |
| Private | 38.3 | 39.3 | 33.2 | 0.9 (0.87, 0.93) | |
| Other | 25.0 | 25.3 | 23.6 | Reference | |
| Prior Admissions |
0 | 82.6 | 88.5 | 53.2 | 0.04 (0.04, 0.04) |
| 1 | 10.3 | 8.3 | 20.2 | 0.16 (0.15, 0.17) | |
| 2-3 | 4.6 | 2.5 | 15.1 | 0.4 (0.37, 0.43) | |
| 4+ | 2.6 | 0.8 | 11.5 | Reference | |
| Complex Chronic Conditions |
Neuromuscular | 9.3 | 7.8 | 16.8 | 2.39 (2.3, 2.47) |
| Cardiovascular | 4.7 | 4.5 | 5.4 | 1.19 (1.13, 1.26) | |
| Respiratory | 0.8 | 0.7 | 1.7 | 2.47 (2.22, 2.74) | |
| Renal | 1.3 | 1.0 | 2.3 | 2.23 (2.04, 2.44) | |
| Gastrointestinal | 1.5 | 1.2 | 3.1 | 2.68 (2.47, 2.9) | |
| Hemat/Immun | 1.4 | 1.3 | 1.8 | 1.38 (1.26, 1.52) | |
| Metabolic | 1.2 | 0.9 | 2.7 | 3.12 (2.86, 3.4) | |
| Congenital or Genetic | 3.1 | 2.7 | 4.9 | 1.86 (1.76, 1.98) | |
| Malignancy | 5.5 | 3.5 | 15.8 | 5.24 (5.03, 5.45) | |
| None | 74.8 | 79.1 | 53.4 | Reference | |
| Length of Stay (Days) |
0-2 | 54.7 | 57.3 | 41.3 | 0.29 (0.27, 0.31) |
| 3-7 | 34.8 | 33.9 | 39.6 | 0.47 (0.45, 0.5) | |
| 8-14 | 6.8 | 5.8 | 11.7 | 0.81 (0.76, 0.86) | |
| 15+ | 3.7 | 3.0 | 7.4 | Reference | |
| Number of Operative Procedures |
0 | 68.4 | 66.6 | 76.9 | 1.2 (1.13, 1.27) |
| 1-2 | 26.3 | 28 | 17.9 | 0.67 (0.63, 0.71) | |
| 3+ | 5.4 | 5.4 | 5.2 | Reference | |
| Disposition | Home Health Services | 1.3 | 1.1 | 2.2 | 1.72 (1.46, 2.01) |
| Home | 96.6 | 96.7 | 96.0 | 0.8 (0.7, 0.91) | |
| Skilled Nursing Facility | 0.7 | 1.6 | 0.9 | 0.46 (0.39, 0.55) | |
| Other | 1.4 | 0.7 | 0.9 | Reference | |
All comparisons in the table between values for patients with and without readmissions are significant at p < .0001. The category “other insurance” included individuals who are self-insured.