Table 3.

Crude survival (%) after selected colon cancer diagnosed after initiation of colonoscopy surveillance and before age of 65 years for path_MLH1, path_MSH2 and path_MSH6 carriers with no cancer in any organ prior to, at, or within 1 year of their first colonoscopy

Parameter	5-year survival (%)	95% CI (%)	10-year survival (%)	95% CI (%)
Interval
Less than 1.5 years	89	[43–98]	89	[43–98]
1.5 to 2.5 years	95	[83–99]	90	[75–96]
2.5 to 3.5 years	94	[77–98]	90	[72–97]
Over 3.5 years	92	[57–99]	92	[57–99]
Stage a
I	98	[84–99.7]	93	[79–98]
II	97	[80–99.6]	94	[78–98]
III	82	[55–94]	82	[55–94]

^aIV: One path_MLH1 carrier who died before 5 years