Table 5.
Multivariable analysis of factors associated with copd-related and total healthcare costs
| |
COPD-related cost |
Total health care cost |
||
|---|---|---|---|---|
| Variables |
Adjusted regression |
p-value |
Adjusted regression |
p-value |
|
coefficient |
coefficient |
|||
| [95% confidence limits] | [95% confidence limits] | |||
| Hospitalizations |
0.988 [0.926, 1.050] |
<0.001 |
0.609 [0.543, 0.674] |
<0.001 |
| Clinic visits |
0.053 [0.040, 0.067] |
<0.001 |
0.027 [0.015, 0.039] |
<0.001 |
| Treated by a pulmonologist |
0.299 [0.133, 0.464] |
<0.001 |
0.208 [0.053, 0.363] |
0.009 |
| Number of medications |
0.012 [0.003, 0.021] |
0.011 |
|
NS |
| FEV1 |
−0.133 [−0.234, -0.031] |
0.011 |
|
NS |
| Short acting anti-muscarinic |
0.246 [0.100, 0.393] |
0.001 |
|
NS |
| BMI |
−0.012 [−0.023, -0.001] |
0.025 |
|
NS |
| Inhaled corticosteroid |
0.168 [0.005, 0.331] |
0.043 |
|
NS |
| DM |
|
NS |
0.291 [0.134, 0.449] |
<0.001 |
| Depression |
|
NS |
0.195 [0.040, 0.351] |
0.014 |
| Age |
|
NS |
−0.008 [−0.014, -0.002] |
0.012 |
| Nursing home resident |
|
NS |
0.506 [0.104, 0.909] |
0.014 |
| Maximum serum bicarbonate | NS | 0.021 [0.003, 0.039] | 0.026 | |
FEV1, Forced expiratory volume in 1 second; BMI, Body mass index; DM, Diabetes mellitus; NS, Not significant.