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Table 2 Health states and cumulative number for a single simulated cohort of 100,000 Chinese women aged 35 years at the last year of simulation (50th year)

From: Quality assurance target for community-based breast cancer screening in China: a model simulation

Screen strategy Well DCIS Stage I StageII Stage III Stage IV Die of BC BC death avoided (%) No BC die of other causes DCIS die of other causes Invasive BC die of other causes Screen-detected
No screen 33,068 58 240 184 27 107 2187 63,017 88 1024
1/1 year 33,097 100 266 172 25 102 2010 8.8 62,986 164 1078 1698
1/2 years 33,097 79 251 173 25 102 2090 4.6 62,987 127 1069 903
1/3 years 33,097 72 246 174 25 102 2118 3.3 62,985 114 1067 580
  1. Abbreviations:DCIS; Ductal carcinoma in situ, BC; Breast cancer