Table 4.

Adjusted odds and incident rate ratios for number of chronic conditions on outcomes

Number of cluster conditions	All-Cause Mortality	All-Cause Hospitalization	Asthma-Related Hospitalization	Asthma Exacerbations
One condition	1.20 (0.98–1.46)	1.18 (1.08–1.28)	1.08 (0.97–1.20)	0.89 (0.84–0.94)
Two conditions	1.18 (0.96–1.45)	1.45 (1.32–1.59)	1.29 (1.15–1.44)	0.95 (0.89–1.01)
Three conditions	1.32 (1.06–1.63)	1.86 (1.68–2.06)	1.51 (1.34–1.71)	0.97 (0.90–1.04)
Four conditions	1.29 (1.00–1.65)	2.27 (2.02–2.55)	1.63 (1.41–1.88)	1.04 (0.95–1.14)
Five conditions	1.24 (0.92–1.68)	2.22 (1.91–2.56)	1.69 (1.40–2.03)	1.04 (0.92–1.17)
Six or more conditions	1.04 (0.72–1.49)	2.85 (2.41–3.37)	1.96 (1.58–2.45)	0.94 (0.81–1.09)

Models adjusted for age, race, gender, prior health care utilization, region of country, ipratropium and ICS exposure, glucocorticoids, digoxin, nitrates, calcium channel blockers, diuretics, PPIs, histamine antagonists & NSAIDs.