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Table 4 Association between score categories and hospital use.

From: A predictive score to identify hospitalized patients' risk of discharge to a post-acute care facility

Score Patients discharged to a PAC facility LOS in days Inappropriate hospital days Inappropriate hospital days due to discharge delays
  n (%) (mean ± SD) (mean ± SD) (mean ± SD)
a. Derivation cohort (n = 299)
Less than 8 points n = 141 (47%) 12 (9%) 11.4 (± 6.6) 2.8(± 3.5) 0.2 (± 1.1)
8 to 15 points n = 108 (36%) 43 (40%) 12.6 (± 6.2) 3.6 (± 4.1) 1.5 (± 2.9)
16 points and more n = 50 (17%) 40 (80%) 14.5 (± 7.0) 4.8 (± 4.8) 3.6 (± 3.6)
P <0.001* 0.005 0.03 <0.001
b. Prospective validation cohort (n = 161)
Less than 8 points n = 58 (36%) 7 (12%) 8.6 (± 5.9) 3.0 (± 3.7) 0.7 (± 2.3)
8 to 15 points n = 59 (37%) 24 (41%) 12.6 (± 7.2) 5.0 (± 5.5) 2.6 (± 4.6)
16 points and more n = 44 (27%) 27 (61%) 14.1 (± 9.7) 5.3 (± 6.5) 3.5 (± 5.6)
P < 0.001* <0.001 0.08 <0.001
  1. * Fisher's exact test; Kruskal-Wallis test