Trends of stomach cancer survival: A systematic review of survival rates from population‐based cancer registration

Abstract

Objectives: We aimed to describe the pattern and time trends of survival from stomach cancer worldwide from population-based cancer registers.Methods: A systematic search of PubMed, Web of Science, EMBASE, SEER and SinoMed for articles published up to 31 December 2020 was conducted. All eligible survival analyses of stomach cancer were collected and evaluated by countries or regions, periods, sex and age groups.Results: Our review included 76 articles on stomach cancer survival rates and found that these rates had improved globally with time, although this increase was unremarkable. The highest 5-year survival rate of 72.1% was observed in Japan (2004)(2005)(2006)(2007). The 5-year relative and net survival, rates were relatively high in Korea and Japan, while they were fairly poor in Africa and India. Sex-specific survival rates were higher in women than in men in America, Europe and Oceania, whereas they were relatively low in Asia. The poorest age-specific 5-year relative and net survival rates were observed in patients aged over 75 years.Conclusions: Over the past decades, patient prognosis of stomach cancer has gradually improved worldwide and survival rates in developed regions were higher than those in developing regions. White men and Asian women had a poorer survival than white women and Asian men. Younger patients had better survival rates than those aged over 75 years globally.

Predictors of survival outcomes among patients with gastric cancer in a leading tertiary, teaching and referral hospital in Kenya

“…In addition, a Cameronian study also reveals a 4.6% five‐year survival rate 16 . A previous systematic review shows a relatively poor five‐year survival rate in Africa compared to Korean and Japanese gastric cancer patients 25 . In contrast, the findings in our study reported a significantly higher five‐year survival rate (32.7%) despite the survival rate being reduced from 1 year to the fifth year after the diagnosis of the disease.…”

“…16 A previous systematic review shows a relatively poor five-year survival rate in Africa compared to Korean and Japanese gastric cancer patients. 25 In contrast, the findings in our study reported a significantly higher five-year survival rate (32.7%) despite the survival rate being reduced from 1 year to the fifth year after the diagnosis of the disease. However, awareness creation education programs about early signs and symptoms of gastric cancer, optimal management and availability of anticancer drugs in all cancer treatment centers are essential to enhance overall survival in our setting.…”

Survival in gastric and esophageal cancers in the Nordic countries through a half century

“…Although survival rates in GC have been improving, the 5‐year relative survival rates have remained between 20 and 30% in developed countries by year 2010–2014 9,10 . Survival has reached over 60% in Japan and South Korea where population screening has been implemented 11 …”

Gastric Cancer and the Immune System: The Key to Improving Outcomes?

“…This study only included patients with resectable GC; however, all-comer outcomes are much worse. A recent review of 5-year all-comer survival rates of GC patients between the 1990s and 2010s showed vast differences between countries, with the highest survival rates of 72.1% in Japan, down to 38.4% in America [ 9 ]. Some of this difference may be accounted for by stage at presentation, with a much lower percentage of patients having early, localized disease in the American and European studies as compared to countries with GC screening programs such as South Korea and Japan [ 9 ].…”