Analysis 2.2. Comparison 2 Less intensive versus more intensive follow-up, Outcome 2 Time-to-detection of recurrence..
Background: The risk of depression is inversely associated with socioeconomic position in the general population; however, studies on the association in cancer populations are limited. The aim was to investigate if shorter education was associated with a higher risk of depression following prostate cancer diagnosis. Material and methods: This is a cohort study among participants in the Danish prospective Diet, Cancer and Health (DCH) study including 2337 men diagnosed with prostate cancer between 1997 and 2014. Primary outcome was indication of moderate to severe depression, defined as either a first hospital contact for depression or first use of antidepressants. The main indicator of socioeconomic position was education categorized into short (<9 years of education), medium (9-12 years) and long (>12 years). We retrieved information on education, depression and cohabitation status from Danish National Registries. Information on stage, primary treatment, lifestyle and anthropometry was obtained from medical records and questionnaires. Data were analyzed using Cox proportional hazards models adjusted for possible confounders and mediators. Results: The hazard of first depression was 1.86-fold higher (95% CI, 1.36-2.54) in prostate cancer patients with short education compared to those with long education. Adjustment for stage and primary treatment did not change the HRs, while adding comorbidity and lifestyle factors resulted in an HR of 1.65 (95% CI, 1.19-2.29). Men with medium education had a non-statistically significant 1.23-fold higher hazard of depression (95% CI, 0.95-1.59) than men with long education in the fully adjusted model. Educational differences were present in the cumulative incidence of first depression among cancer-free DCH study participants, but the level of first depression was substantially lower in this population than in prostate cancer patients. Conclusions: We found indication of social inequality in depression following prostate cancer. Patients and particularly men with short education might benefit from psychosocial intervention and support.
Purpose To estimate the risk of first-time antidepressant prescriptions as a proxy for depression or anxiety and associated risk factors in patients with prostate cancer and their female partners. Methods We followed all men (n = 25,126) and their female cohabiting partners (n = 8785) without a history of cancer or antidepressants from the Danish Diet, Cancer and Health cohort from 1997 to 2014 or 2010, respectively. We estimated the cumulative incidence of first-time antidepressant prescriptions in men with prostate cancer compared with cancer-free men and their respective female partners, using the Danish National Prescription Registry. Sociodemographic, lifestyle-related, and clinical risk factors were assessed using Cox regression models. Results A total of 1828 men were diagnosed with prostate cancer of whom 15% received antidepressants. The unadjusted hazard ratio of antidepressant prescription was 2.18 (95%CI, 1.92, 2.48) for men with prostate cancer and 1.27 (95%CI, 0.87, 1.85) for their partners, compared with cancer-free men and their partners, respectively. After adjusting for sociodemographic, lifestyle-related, and comorbidity factors, this risk was 2-fold to 4-fold increased among patients, but not significantly increased among partners. Significant risk factors among patients were curative and palliative treatment (vs. active surveillance and watchful waiting), nonlocalized disease, and short education. Conclusions Men with prostate cancer have a higher risk of receiving antidepressant medication than cancer-free men. Clinical characteristics can help clinicians in identifying patients at a high risk of depression or anxiety. Implications for Cancer Survivors Men with prostate cancer who experience symptoms of depression or anxiety should seek professional help early on. Patient education could aid in raising awareness and reducing the stigma associated with mental disorders.
Background: High socioeconomic position is associated with better prognosis in prostate cancer patients but it is unknown if part of this association may be explained by socioeconomic differences in severe late effects. We investigated the association between education as an indicator for socioeconomic position and cardiovascular events after prostate cancer and if such associations were mediated by differences in lifestyle, cardiovascular risk factors and prostate cancer treatment. Material and methods: We identified 1980 men diagnosed with prostate cancer from 1993 to 2014 among participants in the Danish Diet, Cancer and Health study. Individual level information on education, lifestyle, cardiovascular risk factors and prostate cancer clinical information were obtained from questionnaires, registries and medical records. The Cox proportional hazards models were used to evaluate the risk of incident acute myocardial infarction, ischemic stroke and heart failure during up to 18 years of follow-up for men with short (<9 years) or medium (9-12 years) compared with long education (>12 years). Results: Compared to men with long education, we found an increased risk of acute myocardial infarction in men with medium and short education (HR 3.14, 95% CI 1.53-6.47 and HR 2.14, 95% CI 0.82-5.58, respectively). Adjusting for stage, first-line treatment, lifestyle and cardiovascular risk factors did not change the HRs substantially (adjusted HRs 3.04, 95% CI 1.47-6.31 and 2.07, 95% CI 0.78-5.53, respectively). There were no educational differences in risk for ischemic stroke or heart failure. Conclusions: The risk of acute myocardial infarction was increased in prostate cancer patients with short or medium education compared with long education. Although the educational inequality did not seem to be explained by differences in treatment, lifestyle or cardiovascular risk factors, monitoring of cardiovascular health and health promotion should involve all prostate cancer patients regardless of social position to ensure best prognosis for all.
Objective To compare the risk of depression after diagnostic workup for prostate cancer (PCa), regardless of the histopathologic outcome, with that of a cancer‐free population. Methods A nationwide cohort of Danish men who had a prostatic biopsy sample in 1998–2011 was identified from the Danish Prostate Cancer Registry and compared to an age‐matched cohort from the background population. Men with other cancers, major psychiatric disorder, or prior use of antidepressants were excluded. The risk of depression defined as hospital contact for depression or prescription for antidepressants was determined from cumulative incidence functions and multivariate Cox regression models. Results Of 54,766 men who underwent diagnostic workup for PCa, benign results were found for 21,418 and PCa was diagnosed in 33,347. During up to 18 years of follow‐up, the adjusted hazard of depression was higher in men with PCa than in the background population, with the highest risk in the two years after diagnosis (hazard ratio (HR) 2.77, 95% CI 2.66–2.87). Comorbidity and lowest or highest income were significant risk factors for depression and the cumulative incidence was substantially higher in men with metastatic or high‐risk disease. In men with benign histopathology the HR for depression was 1.22 (95% CI 1.14–1.31) in the first two years but no different from the background population after that. Conclusions Diagnostic workup for PCa is associated with an increased risk of depression, mainly among men with a diagnosis of PCa. Clinicians should be aware of depressive symptoms in prostate cancer patients.
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