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Table 2 Unadjusted and adjusted hazard ratio for 30-day readmission according to age, sex, Charlson Comorbidity Index and marital status

From: Readmission of older acutely admitted medical patients after short-term admissions in Denmark: a nationwide cohort study

 

Unadjusted HR (95% CI)

Adjusted2 HR (95% CI)

Age1

1.03 (1.01-1.05)

1.01 (0.99-1.03)

Sex

 Female

Reference

Reference

 Male

1.23 (1.19-1.26)

1.17 (1.13-1.20)

Charlson Comorbidity Index

 0

Reference

Reference

 1-2

1.50 (1.44-1.55)

1.49 (1.43-1.54)

 3+

2.33 (2.25-2.42)

2.28 (2.20-2.37)

Marital Status

 Married

Reference

Reference

 Not Married

1.02 (1.00-1.05)

1.03 (1.00-1.07)

  1. CI confidence interval; HR hazard ratio. 1Per 10-unit increase of variable 2Adjusted for the three other variables
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BMC Geriatrics

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