Table 4

Actual risks of CRC and ECC which would provide the estimates closest to those found in published studies, when selecting families on Amsterdam criteria

	Men						Women
	CRC			ECC			CRC			ECC
Age	39	59	79	39	59	79	39	59	79	39	59	79
Actual risks	0.10	0.25	0.40	0.10	0.20	0.60	0.10	0.20	0.40	0.15	0.40	0.65
Estimated risks	0.24	0.57	0.82	0.06	0.13	0.46	0.26	0.48	0.74	0.10	0.29	0.47
Risks in studies	0.20	0.50	0.80	0.05	0.15	0.35	0.20	0.40	0.70	0.10	0.30	0.50