Background: No studies have reported the effect of solitary living on adjuvant chemotherapy continuation in patients with gastric cancer. This study aimed to investigate the influence of solitary living on the efficacy of adjuvant chemotherapy after curative gastrectomy.
Methods: We enrolled 155 patients with pathological stage II/III gastric cancer who underwent gastrectomy and adjuvant chemotherapy between January 2013 and March 2020. The patients were divided into two groups according to their living conditions, the solitary group (n = 34) versus the non-solitary group (n = 121). Clinicopathological features, predictive factors for the continuation of adjuvant chemotherapy, and long-term survival were compared between the two groups.
Results: The median body weight loss (BWL) at one month after surgery (8.9% vs. 7.0%, p = 0.01), and the rates of failure to continue six courses of chemotherapy were higher in the solitary group (41.2% vs. 14.9%, p = 0.002) than in the non-solitary group. Multivariate analysis revealed that solitary living was an independent predictive factor for discontinuing adjuvant chemotherapy (odds ratio 3.36, 95% confidence interval [CI; 1.32-8.58], p = 0.01) as well as 10% BWL at one month after surgery (odds ratio 3.99, 95% CI [1.57-10.2], p = 0.004). The relapse-free survival was significantly worse in the solitary group (p = 0.03).
Conclusions: Solitary living may be an independent risk factor for discontinuation of adjuvant chemotherapy in patients with gastric cancer. It is necessary to examine whether social and medical support organized by medical institutes and the government improves the continuation of adjuvant chemotherapy in patients living alone.
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| http://dx.doi.org/10.1016/j.ejso.2022.09.003 | DOI Listing |
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