Table 2

Baseline Resource Utilization

Characteristic

COPD with Anemia (n = 27,932)

Non-anemic COPD (n = 104,492)

P value

# of hospitalizations in 6 months before index date

Claims per 100 patients

63.2

29.7

<0.001

Claims per 12 month period

1.26

0.59

<0.001

# of ICU encounters in 6 months before index date

Claims per 100 patients

15.5

7.3

<0.001

Claims per 12 month period

0.31

0.15

<0.001

# of AECB medical encounters in 6 months before index date

Claims per 100 patients

27.0

16.0

<0.001

Claims per 12 month period

0.54

0.32

<0.001

# of pneumonia medical encounters in 6 months before index date

Claims per 100 patients

83.5

34.9

<0.001

Claims per 12 month period

1.67

0.79

<0.001

Abbreviations: AECB – acute exacerbations of chronic bronchitis, COPD – chronic obstructive pulmonary disease, ICU – intensive care unit

Halpern et al. Cost Effectiveness and Resource Allocation 2006 4:17   doi:10.1186/1478-7547-4-17