Table 1.
Cohort Characteristics and Observed Rates of 30-Day PPR During Home Health.
| Cohort Characteristics | Overall Sample n (%) | Observed Rate of Readmission, % (95% CI) | P value |
|---|---|---|---|
| Total cohort | 126,292 | 7.6 (7.4, 7.7) | |
| Age, y | |||
| 18–65 | 3324 (2.6) | 8.0 (7.1, 8.9) | |
| 66–70 | 6430 (5.1) | 7.2 (6.6, 7.9) | |
| 71–75 | 12,332 (9.8) | 7.4 (6.9, 7.8) | |
| 76–80 | 21,255 (16.8) | 7.4 (7.0, 7.7) | |
| 81+ | 82,951 (65.7) | 7.6 (7.5, 7.8) | .35 |
| Sex | |||
| Male | 47,765 (37.8) | 7.8 (7.6, 8.0) | |
| Female | 77,527 (61.4) | 7.4 (7.2, 7.6) | <.00 |
| Race/ethnicity | |||
| White | 101,062 (80.0) | 7.3 (7.2, 7.5) | |
| Black | 14,010 (11.1) | 8.5 (8.0, 8.9) | |
| Hispanic | 7262 (5.8) | 8.5 (7.9, 9.2) | |
| Other | 3958 (3.1) | 7.9 (7.1, 8.7) | <.00 |
| Medicare original entitlement* | |||
| Age | 109,900 (87.0) | 7.4 (7.2, 7.5) | |
| Disability | 15,873 (12.6) | 8.6 (8.2, 9.1) | |
| ESRD | 217 (0.2) | 9.7 (5.8, 13.6) | |
| ESRD and disability | 302 (0.2) | 15.6 (11.5, 19.7) | <.00 |
| Dual eligibility† | |||
| No | 99,918 (79.1) | 7.2 (7.1, 7.4) | |
| Yes | 26,374 (20.9) | 8.8 (8.4, 9.1) | <.00 |
| Dialysis during index hospitalization | |||
| No | 126,240 (99.9) | 7.6 (7.4, 7.7) | |
| Yes | 52 (0.1) | 9.6 (1.6, 17.6) | .57 |
| Index hospitalization length of stay, d | |||
| 1–2 | 31,028 (24.6) | 5.8 (5.6, 6.1) | |
| 3 | 24,715 (19.6) | 6.4 (6.1, 6.7) | |
| 4 | 19,097 (15.1) | 7.5 (7.2, 7.9) | |
| 5 | 13,518 (10.7) | 8.1 (7.6, 8.6) | |
| 6–7 | 16,592 (13.1) | 8.8 (8.4, 9.3) | |
| 8+ | 21,342 (16.9) | 10.0 (9.6, 10.4) | <.00 |
| Index hospitalization ICU/CCU utilization, d | |||
| 0 | 82,415 (65.3) | 7.1 (6.9, 7.3) | |
| 1–2 | 16,794 (13.3) | 7.0 (6.6, 7.3) | |
| 3–4 | 14,068 (11.1) | 7.9 (7.5, 8.4) | |
| 5+ | 13,015 (10.3) | 10.9 (10.3, 11.4) | <.00 |
| Acute stays over prior year (count) | |||
| 0 | 69,307 (54.9) | 2.5 (2.4, 2.5) | |
| 1 | 31,642 (25.1) | 10.0 (9.7, 10.3) | |
| 2 | 13,654 (10.8) | 15.0 (14.4, 15.6) | |
| 3 | 6022 (4.8) | 19.1 (18.1, 20.1) | |
| 4+ | 5667 (4.5) | 25.2 (24.1, 26.4) | <.00 |
| Dementia severity category at HHA admission‡ | |||
| 2 | 22,749 (18.0) | 7.2 (6.9, 7.6) | |
| 3 | 4455 (3.5) | 5.7 (5.0, 6.4) | |
| 4 | 3345 (2.6) | 5.6 (4.8, 6.3) | |
| 5 | 42,928 (34.0) | 6.4 (6.2, 6.6) | |
| 6 | 51,215 (40.6) | 8.8 (8.5, 9.0) | |
| 7 | 1600 (1.3) | 12.6 (11.0, 14.3) | <.00 |
ESRD, end-stage renal disease; ICU/CCU, intensive care unit/critical care unit; RA, readmission
*
Original reason for Medicare enrollment.
†
Eligible for Medicare and Medicaid.
‡
Dementia severity categories were developed by aligning OASIS items to the FAST.