Psychological comorbidity rate in patients with coxarthrosis rose 37% from 2009 to 2019
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The prevalence of psychological comorbidities among patients with coxarthrosis increased by 37.8% — and by 17.9% for those with gonarthrosis — between 2009 and 2019, according to German data published in Scientific Reports.
“It is well-established that somatic comorbidities influence [osteoarthritis] treatment outcomes,” Nike Walter, PhD, of the department for trauma surgery at University Hospital Regensburg, in Germany, and colleagues wrote. “It is known that patients with OA are at higher risks of developing psychological symptoms, however, the prevalence of psychological comorbidities in OA based on nationwide registry data has not been analyzed.”
To investigate the incidence of coxarthrosis and gonarthrosis, as well as the rate of OA in patients with psychological diagnoses, Walter and colleagues conducted a cross-sectional study of data from the German Federal Statistical Office from 2009 to 2019. According to the researchers, the dataset included annual, nation-wide ICD-10 diagnosis codes, which they used identify patients aged 20 years or older who had been diagnosed with unilateral primary coxarthrosis or gonarthrosis. The researchers calculated incidence rate ratios by dividing incidence in 2019 by the incidence in 2009.
According to Walter and colleagues, there were 138,232 cases of coxarthrosis in Germany in 2019, compared with 119,542 cases in 2009, for total of 203.7 cases per 100,000 German inhabitants (IRR = 1.13; 95% CI, 0.93-1.38). Meanwhile, there was a 5.7% reduction in gonarthrosis cases between 2009 and 2019, with a total of 152,160 patients counted in 2019, or 224.2 cases per 100,000 residents (IRR – 0.94; 9% CI, 0.79-1.13).
In all, 9% of patients with coxarthrosis, and 8.9% of those with gonarthrosis, were diagnosed with psychological comorbidities in 2019, according to the researchers.
Between 2009 and 2019, the rate of patients with coxathrosis who demonstrated pertinent psychological diagnoses increased by 37.8%. In those with gonarthrosis, the rate increased by 17.9%, according to the researchers. In cases of patients with both diseases, the primary psychological comorbidity faced by patients was affective disorders. In those with coxarthrosis, 47.6% with comorbidities had affective disorders. In those with gonarthrosis, 57.5% of comorbidities were affective disorders.
“Between 2009 through 2019, the percentage of OA patients with a concomitant diagnoses of a psychological disorder increased, yielding a share of 9% of all coxarthrosis patients and 8.9% of gonarthrosis patients in 2019,” Walter and colleagues wrote. “The majority of patients with OA suffered from affective disorders. Here, the highest increase over the considered time period was found for affective disorders, including depression, in patients with gonarthrosis as well as coxarthrosis.
“Increasing psychological comorbidities advocate for the implementation of screening tools, prevention strategies, interdisciplinary approaches and psychological support in the treatment of osteoarthritis,” they added.
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