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Table 2 Analysis of potential factors affecting unplanned COPD^ patient readmission episodes

From: Risk factors of hospitalization and readmission of patients with COPD in Hong Kong population: Analysis of hospital admission records

 

Univariate Analysis

 

Multivariate Analysis (Logistic Regression)

 

Unplanned Readmission

 

Unplanned Readmission

 

Yes (n = 15882)

Mean ± SD

No (n = 49615)

Mean ± SD

P

OR(95% CI)

P

Age (yrs)

76.74 ± 9.34

76.83 ± 9.67

0.020

1.00(0.996-1.000)

0.049

Gender

     

   Male

12889 (81.2)

37567 (75.7)

< 0.001

1.45 (1.38-1.52)

< 0.001

   Female

2993 (18.8)

12048 (24.3)

 

1.00 (reference)

 

Public assistance*

     

   Yes

8235 (51.9)

20458 (41.2)

< 0.001

1.41(1.36-1.46)

< 0.001

   No

7647 (48.1)

29157 (58.8)

 

1.00 (reference)

 

Living in nursing home

     

   Yes

3820 (24.1)

8756 (17.6)

< 0.001

1.41 (1.34-1.47)

< 0.001

   No

12062 (75.9)

40859 (82.4)

 

1.00 (reference)

 

Charlson comorbidity index

1.20 ± 0.82

1.21 ± 0.72

0.053

0.99(0.96-1.01)

0.233

  1. ^ COPD: ICD-9-CM Diagnosis Code: 490-492, 494-496
  2. *Public assistance: Patients eligible for complete or partial medical fee waiver