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Copyright ©The Author(s) 2017.
World J Gastroenterol. May 28, 2017; 23(20): 3632-3642
Published online May 28, 2017. doi: 10.3748/wjg.v23.i20.3632
Table 3 Results of colorectal cancer screening program time-trend (adapted from Suchanek et al[43])
200620072008200920102011Total
Examined patients (n)272658320317352595414300521429NA1881299
Positivity rate3.6%3.3%4.1%5.0%6.1%NA4.6%
PPV for advanced adenoma14.1%13.5%16.2%16.6%16.8%16.7%16.2%
PPV for CRC6.3%5.9%6.0%5.1%4.5%3.6%4.8%