Table 2

Cumulative colorectal cancer (CRC) risk estimates and biases when applying Amsterdam criteria on 40 replicates of 1000 families carrying a HNPCC mutation, according to the actual risk in the simulated sample

Actual CRC riskEstimated riskBias (%)Range (min–max)
“High” risks
    Men
        390.20.29460.21–0.34
        590.50.68370.60–0.75
        790.80.93170.89–1.00
    Women
        390.20.31560.23–0.37
        590.40.59480.51–0.65
        790.70.88260.81–0.96
“Low” risks
    Men
        390.10.211100.12–0.34
        590.30.57900.45–0.68
        790.60.87450.64–1.00
    Women
        390.10.231300.16–0.36
        590.20.451250.32–0.68
        790.50.81620.62–1.00