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. 2014 Jan;76(1):34–40. doi: 10.1016/j.jpsychores.2013.10.019

Table 2.

Depression symptoms (continuous BDI scores) and length of post-operative hospital stay

Model HR 95% CI p
Total BDI score
Age and sex adjusted 0.975 0.958–0.993 .01
Fully adjusteda 0.978 0.957–0.999 .04



Cognitive BDI score
Age and sex adjusted 0.959 0.931–0.988 .01
Fully adjusteda 0.965 0.933–0.998 .04



Somatic BDI score
Age and sex adjusted 0.963 0.929–0.998 .04
Fully adjusteda 0.973 0.933–1.014 .19
a

Fully adjusted model: household income, smoking status, BMI, diabetes, chronic disease burden, cardiopulmonary bypass, number of grafts, EuroSCORE, antidepressant medication and anxiety.