Table 3.
Univariate Analysis of potential factors affecting ALOS for COPD^ treatment
| 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 |
^ COPD: ICD-9-CM Diagnosis Code: 490-492, 494-496
*Public assistance: Patients eligible for complete or partial medical fee waiver
γ = Pearson correlation