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. Author manuscript; available in PMC: 2010 Jul 1.
Published in final edited form as: J Clin Nurs. 2009 Apr 3;18(13):1871–1877. doi: 10.1111/j.1365-2702.2008.02722.x

Table 3.

Independent predictors of rehospitalisation for heart failure patients with preserved systolic function (n = 165)

Characteristics Adjusted
hazard
ratio		 95% CI P
Age (year) 1·02 0·99–1·05 0·122
Female gender 0·70 0·38–1·26 0·232
Body mass index (kg/m2) 1·01 0·93–1·10 0·787
NYHA functional class
 III 0·98 0·49–1·96 0·956
 IV 1·30 0·53–3·24 0·566
Underlying aetiology of heart failure
 Idiopathic heart failure 1·04 0·42–2·58 0·937
 Ischemic heart disease 0·51 0·19–1·33 0·166
Hypertension 1·52 0·81–2·85 0·189
Diabetes mellitus 1·09 0·58–2·06 0·782
Prior admission for heart failure 1·35 0·75–2·43 0·324
Left ventricular ejection fraction (%) 0·99 0·96–1·02 0·387
E/E′ 1·06 1·02–1·10 0·004
Depressive symptoms 1·05 1·02–1·08 < 0·001

NYHA: New York Heart Association, E/E′: the ratio of mitral velocity to early diastolic velocity of the mitral annulus.