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Table 2 Relative survival rate of gastric cancer patients by periods in Qidong, China between 1972 and 2011

From: Long-term survival trends of gastric cancer patients between 1972 and 2011 in Qidong

Period Relative survival rate (%)
1-year 3-year 5-year 10-year 15-year 20-year 30-year
1972 34.24 16.77 14.24 11.10 9.55 5.63 7.95
1973–1977 33.71 14.89 11.79 9.10 8.88 9.10 15.49
1978–1982 31.75 16.92 13.53 11.91 11.80 12.55 15.07
1983–1987 32.07 17.89 14.47 13.12 15.04 18.64 NA
1988–1992 32.85 20.25 18.09 18.91 21.90 25.31 NA
1993–1997 30.57 18.43 16.92 17.73 20.25 NA NA
1998–2002 35.66 20.20 18.01 17.99 NA NA NA
2003–2007 42.00 28.26 26.67 NA NA NA NA
2008–2011 45.15 31.08 NA NA NA NA NA
  1. NA not available