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Table 3 Readmission or death by 30 days and by 1 year after discharge by cognitive statusa

From: Epidemiology and outcomes of people with dementia, delirium, and unspecified cognitive impairment in the general hospital: prospective cohort study of 10,014 admissions

 

Readmission or death by 30 days from discharge Prevalence (95% CI)

Readmission or death by 1 year from discharge Prevalence (95% CI)

All incident admissions discharged alive (n = 6465)

17.9 (17.0–18.9)

53.0 (51.8–54.2)

Did not receive OPRAA assessment (n = 1530)

15.4 (13.7–17.3)c

45.8 (43.3–48.3)d

Received OPRAA assessment (n = 4935)

18.7 (17.6–19.8)

55.2 (53.8–56.6)

No cognitive spectrum disorder (n = 3260)

17.4 (16.1–18.7)e

51.5 (49.8–53.2)f

Cognitive spectrum disorder (n = 1675)

21.2 (19.3–23.2)

62.4 (60.0–64.7)

Dementia no delirium (group 1 n = 385)

23.9 (19.9–28.4)g

68.3 (63.5–72.8)h

Delirium no dementia (group 2 n = 752)

20.9 (18.1–24.0)

57.4 (53.9–60.9)

Delirium superimposed on dementia (group 3 n = 327)

19.3 (15.4–23.9)

64.8 (59.5–69.8)

Unspecified cognitive impairmentb (group 4 n = 211)

20.4 (15.5–26.3)

65.4 (58.8–71.5)

  1. aExcludes in hospital mortality (n = 736) as only patients discharged alive are included
  2. bAMT score <8, no delirium, no known dementia
  3. cDifference = 3.3 (95%CI 1.1-5.3) P = 0.003
  4. dDifference = 9.4 (95%CI 6.6-12.3) P < 0.001
  5. eDifference = 3.8 (95%CI 1.5-6.2) P = 0.001
  6. fDifference = 10.9 (95%CI 8.0-13.8) P < 0.001
  7. gPairwise comparisons not significant (P > 0.444);
  8. hGroup 1 significantly different from group 2 (P = 0.002), all other pairwise comparisons not significant (P > 0.106)
  9. OPRAA Older Persons Routine Acute Assessment