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Table 2 Unadjusted and adjusted Odds Ratios for hospital readmission and death 12 months after acute hospitalization

From: Readmission and mortality one year after acute hospitalization in older patients with explained and unexplained anemia - a prospective observational cohort study

 

Hospital readmissiona

 

Deathb

 

Univariate

Multivariate

Univariate

Multivariate

 

OR

95 % CI

p

OR

95 % CI

p

OR

95 % CI

p

OR

95 % CI

p

Anemiac

1.20

0.87–1.65

0.26

1.42

0.96–2.09

0.08

1.24

0.88–1.77

0.22

1.24

0.83–1.84

0.30

Severe anemia,d

0.92

0.59–1.44

0.73

1.13

0.66–1.94

0.66

1.88

1.21–2.93

0.005

1.89

1.11–3.22

0.02

Unexplained anemiae

0.83

0.51–1.34

0.44

0.95

0.55–1.64

0.83

0.74

0.41–1.31

0.30

1.04

0.54–2.02

0.90

Explained anemiaf

1.42

1.00–2.01

0.05

1.54

1.05–2.25

0.03

1.53

1.04–2.23

0.03

1.07

0.63–1.83

0.79

  1. OR odds ratio, CI confidence interval, Hb hemoglobin concentration
  2. aAdjustment for age, > 5 diagnoses, Barthel index, influence of 5 different admission diagnoses
  3. bAdjustment for age, > 5 diagnoses, Barthel index, influence of 5 different admission diagnoses, gender, MMSE, renal insufficiency
  4. cComparing patients with or without anemia, defined by WHO
  5. dComparing patients with and without severe anemia, defined as Hb in lowest gender –specific anemia tertile, (<10.6 g/dL)
  6. eComparing patients with unexplained anemia versus patients without anemia (WHO defined)
  7. fComparing patients with explained anemia versus patients without anemia (WHO defined)