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Table 2 Yearly hospital utilization stratified by the number of hospitals a patient encountered in a 1-year period

From: Super fragmented: a nationally representative cross-sectional study exploring the fragmentation of inpatient care among super-utilizers

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
  1. a Percentage is a proportion of total 30-day readmissions
  2. b Percentage is a proportion of hospital survivors
  3. c Home Health: Includes patients discharged with home health services such as physical therapy or IV antibiotics
  4. d: AMA:Against Medical Advice