. Author manuscript; available in PMC: 2009 Feb 26.

Published in final edited form as: Arch Phys Med Rehabil. 2009 Feb;90(2):193–200. doi: 10.1016/j.apmr.2008.07.026

Table 4.

Assessment of Effects of Heart Disease on Cardiopulmonary Hospitalization ^ζ ^§

Model	Cardiopulmonary HR (95%CI) (n=143)	Circulatory HR (95%CI) (n=77)	Respiratory HR (95%CI) (n=66)

Age	1.03 (1.01–1.05)	1.05 (1.03–1.07)	1.01 (0.99–1.03)
Hypertension	1.66 (1.04–2.65)	1.03 (0.64–1.66)	2.70 (1.47–4.94)
FEV₁-%predicted	0.97 (0.96–0.98)	0.99 (0.98–1.00)	0.96 (0.94–1.00)
Lowest BMI quintile	1.77 (1.19–2.62)	1.42 (0.85–2.38)	1.99 (1.13–3.52)
Heart Disease	1.40 (0.84–2.32)	1.92 (1.13–3.24)	0.97 (0.38–2.51)

Heart Disease
(excluding hypertension)	1.66 (1.00–2.74)	1.93 (1.14–3.27)	1.35 (0.53–3.47)

^ζ

Adjusted for any-cause readmission within ≤ 30 days

^§

Bolded numbers represent statistical significance, i.e. p < 0.05