Anemia, costs and mortality in Chronic Obstructive Pulmonary Disease

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

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