Table 2 Yearly hospital utilization stratified by the number of hospitals a patient encountered in a 1-year period
Number of Different Hospitals | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | p | |
|---|---|---|---|---|---|---|---|---|---|---|
Yearly Totals | Inpatient Encounters (median, IQR) | 4 (4–5) | 5 (4–6) | 5 (4–6) | 6 (5–8) | 8 (6–11) | 10 (8–14) | 13 (10–17) | 15 (12–19) | < 0.001 |
Inpatient Days (median, IQR) | 25 (17–38) | 26 (17–41) | 30 (19–49) | 37 (22–59) | 47 (29–77) | 56 (36–84) | 64 (42–102) | 77 (48–112) | < 0.001 | |
Inpatient Cost in thousands of US dollars, (median, IQR) | 51 (31–90) | 55 (33–99) | 60 (34–113) | 61 (34–118) | 69 (39–129) | 72 (44–117) | 75 (50–133) | 93 (60–138) | < 0.001 | |
Unadjusted Mortality, n (%) | 6253 (8.92) | 5660 (8.95) | 1931 (7.87) | 387 (5.85) | 73 (4.03) | 14 (1.99) | 8 (2.31) | 4 (2.47) | < 0.001 | |
Per Encounter | Length of Stay, mean (SD) | 6.24 (7.33) | 6.46 (8.01) | 6.72 (8.77) | 6.62 (8.81) | 6.25 (8.18) | 5.72 (7.17) | 5.29 (6.52) | 5.4 (6.48) | < 0.001 |
Cost in thousands of US dollars, mean (SD) | 12 (18) | 13 (19) | 12 (19) | 10 (15) | 8 (13) | 7 (11) | 7 (9) | 7 (9) | < 0.001 | |
30 Day Readmission, n (%) | 143,682 (41.3%) | 134,419 (40.9%) | 59,692 (42.4%) | 22,668 (48.9%) | 9902 (58.0%) | 5284 (64.3%) | 3528 (70.5%) | 1823 (70.2%) | < 0.001 | |
30 Day Readmission to Same Hospital, n (%)a | 143,682 (100%) | 89,049 (66.3%) | 26,753 (44.8%) | 7478 (33.0%) | 2634 (26.6%) | 1112 (21.0%) | 650 (18.4%) | 224 (12.3%) | < 0.001 | |
30 Day Readmissions to another Hospital, n(%)a | 0 (0%) | 45,370 (33.8%) | 32,939 (55.2%) | 15,190 (67.0%) | 7268 (73.4%) | 4172 (79.0%) | 2878 (81.6%) | 1559 (85.5%) | < 0.001 | |
Discharged to skilled nursing facility, n (%)b | 75,197 (22.0%) | 72,361 (22.4%) | 30,012 (21.6%) | 8602 (18.7%) | 2661 (15.6%) | 1027 (12.5%) | 549 (11.0%) | 229 (8.9%) | < 0.001 | |
Discharged Home, n (%)b | 180,623 (51.9%) | 166,927 (50.6%) | 74,505 (53.7%) | 27,400 (59.6%) | 10,919 (64.2%) | 5593 (68.2%) | 3380 (67.6%) | 1815 (70.1%) | < 0.001 | |
Discharged with Home Healthc, n (%)b | 77,079 (22.6%) | 60,471 (18.7%) | 20,074 (14.5%) | 4437 (9.7%) | 1068 (6.9%) | 296 (3.6%) | 114 (2.9%) | 49 (1.9%) | < 0.001 | |
Transferred to Other Hospital, n (%)b | 3224 (0.9%) | 14,470 (4.5%) | 7920 (5.7%) | 2225 (4.8%) | 645 (3.8%) | 188 (2.3%) | 102 (2.0%) | 66 (2.6%) | < 0.001 | |
Left AMAd, n (%)b | 5526 (1.6%) | 8997 (2.8%) | 6217 (4.5%) | 3336 (7.3%) | 1720 (10.1%) | 1098 (13.4%) | 855 (17.1%) | 432 (16.7%) | < 0.001 |