Life expectancy of patients with early gastric cancer who underwent curative gastrectomy: comparison with the general population

Le résumé fourni par la source

Despite long-term survival reports in early gastric cancer, comparative life expectancy data with the general population is scarce. This study aimed to estimate patients' life expectancy and analyze disparities between early gastric cancer patients and the general population. Patients with stage 1 gastric cancer who underwent curative gastrectomy at Asan Medical Center were enrolled. Survival status was tracked via national health insurance records. Life expectancy was compared with general population data from the Korean Statistical Information Service database. The cohort comprised 8,637 patients (64.7% men, 17.3% aged 70+). Approximately 20% of patients underwent total gastrectomy. Life expectancy was favorable among women. Across all age groups, women's life expectancy generally exceeded 80 years. Male patients showed a reduced life expectancy, typically 4-10 years shorter than their female counterparts. The average life expectancy of male patients aged over 80 years who underwent total gastrectomy was about 5 years, whereas that of their female counterparts was approximately 7 years. Female patients undergoing distal gastrectomy did not demonstrate a statistically significant variance in life expectancy compared to the general population. This study provided comprehensive life expectancy data, organized by age, sex, and type of gastrectomy in a large stage 1 gastric cancer cohort. Our findings are expected to alleviate uncertainties and anxieties for individuals diagnosed with early gastric cancer.

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