Mixed
The coexistence of depression and type 2 diabetes is associated with a significantly higher risk of all-cause and cardiovascular disease (CVD) mortality compared to either condition alone, with the risk being particularly elevated in women with long-duration diabetes or those on insulin therapy.
If you have both diabetes and depression, your risk of dying from heart disease or other causes is significantly higher than if you had only one of these conditions. This risk is even higher if your diabetes has been present for 10+ years or if you require insulin. To mitigate this, it is crucial to actively treat both conditions. Treating depression is not just about mood; it is a critical component of reducing mortality risk in diabetic patients, likely by improving adherence to diabetes management and reducing biological stress responses.
Compared with participants without either condition, the age-adjusted relative risks (RRs) (95% confidence interval) for all-cause mortality were 1.76 (1.64-1.89) for women with depression only, 1.71 (1.54-1.89) for individuals with diabetes only, and 3.11 (2.70-3.58) for women with both conditions... the combination of depression with a long duration of diabetes mellitus (ie, ≥10 years) or insulin therapy was associated with a particularly higher risk of CVD mortality after multivariate adjustment (RRs, 3.22 and 4.90, respectively).
Why this rating
Large prospective cohort (NHS), long follow-up, rigorous adjustment for confounders, but observational design prevents causal inference.
Source
Increased Mortality Risk in Women With Depression and Diabetes Mellitus
An Pan et al. · Archives of General Psychiatry · 2011
DOI 10.1001/archgenpsychiatry.2010.176
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