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Table 3 Multivariate regression analysis assessing associations of factors with 30-days unplanned readmission after index discharge, n=127550

From: Applicability of a previously validated readmission predictive index in medical patients in Singapore: a retrospective study

 

OR

95% CI

p-value

Age group, years

    

  <65

Reference

   

  >= 65

1.73

1.63

1.83

<0.001

Female sex

0.85

0.81

0.89

<0.001

Ethnicity

    

  Chinese

Reference

   

  Malay

0.92

0.86

0.99

0.018

  India

1.0

0.93

1.08

0.965

  Others

0.77

0.69

0.87

<0.001

Year of discharge

    

  2006

Reference

   

  2007

0.81

0.76

0.86

<0.001

  2008

0.75

0.70

0.80

<0.001

  2009

0.74

0.69

0.80

<0.001

  2010

0.79

0.74

0.84

<0.001

ICU admission

1.14

0.94

1.39

0.176

Admission class

    

  A

Reference

   

  B

1.83

1.66

2.01

<0.001

  C

1.99

1.80

2.20

<0.001

LACE Group

4.88

4.56

5.21

<0.001

  1. Logistic regression was used for analysis. OR, odds ratio; CI, confidence interval. Hosmer and Lemeshow test for 30-days unplanned readmission, x2 = 12.7, df = 8, P = 0.122. C-statistic 0.70; P < 0.001.
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BMC Health Services Research

ISSN: 1472-6963

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