Mortality rate ratio^a in the first year after cancer diagnosis for current antidepressant (AD) users^b and former AD users^c according to the time of AD treatment initiation before cancer diagnosis (indicated by D).

<p>A bold curve and the 95% confidence band indicated by the grey area are results from Cox regression analyses by modelling the association of time of AD initiation using right restricted cubic splines and spike estimates are results by categorizing time of AD initiation into groups. ^a Adjusted for sex, age at time of diagnosis, stage of cancer, Charlson comorbidity index, marital status, education, and calendar year. ^b Current AD users refers to cancer patients who redeemed an AD prescription within 4 months before the cancer diagnosis. ^c Former AD users refers to cancer patients who redeemed the last AD prescription more than 4 months before the cancer diagnosis.