Table 2.
Summary statistics of heart failure patients within different subgroups. The positive outcome is defined as the patients that having long-term hospitalization (length-of-stay is longer than 7 days) or disposition of death.
| Subgroups | Number of Subjects | Percent of Subjects | Percent of Subjects in Positive Class |
|---|---|---|---|
| Sex | |||
| Male | 115,791 | 115,791 | 19.22% |
| Female | 94,484 | 44.91% | 19.19% |
| Unknown | 93 | 0.04% | 27.96% |
| Race/Ethnicity | |||
| White | 136,684 | 64.97% | 19.39% |
| Black | 47,345 | 22.51% | 18.89% |
| Hispanic | 16,254 | 7.73% | 18.20% |
| Asian | 4,032 | 1.92% | 17.46% |
| Others/Unknown | 6,053 | 2.88% | 21.15% |
| Insurance | |||
| Medicare | 102,042 | 48.51% | 19.08% |
| Private/HMO*/Others | 56,616 | 26.91% | 18.92% |
| Medicaid | 38,381 | 18.24% | 19.76% |
| Uninsured/Unknown | 13,329 | 6.34% | 19.69% |
| Age | |||
| greater than 80 | 63,785 | 30.32% | 17.82% |
| 60 to 80 | 96,351 | 45.80% | 20.16% |
| 40 to 60 | 43,943 | 20.89% | 19.06% |
| less than 40 | 6,289 | 2.99% | 18.44% |
| All | 210,368 | 100.00% | 19.20% |
*
HMO: Health maintenance organization