Skip to main content

Table 3 Univariate Analysis of potential factors affecting ALOS for COPD^ treatment

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

 

Univariate Analysis

(ANOVA)

 

ALOS

Mean(d) ± SD

P

Age

γ = 0.01

0.002

Gender

  

   Male

4.32 ± 7.40

< 0.001

   Female

4.74 ± 7.93

 

Public assistance*

  

   Yes

4.58 ± 7.68

< 0.001

   No

4.28 ± 7.41

 

Living in nursing home

  

   Yes

4.96 ± 7.59

< 0.001

   No

4.28 ± 7.51

 

Unplanned readmission

  

   Yes

4.71 ± 6.85

< 0.001

   No

4.32 ± 7.73

 

Charlson comorbidity index

γ = 0.03

< 0.001

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