Table 2 Mutation detection rate in specific age ranges
Age range of colorectal cancer cases | Number of cases | Percentage (%) | Mutations found | Mutation detection rate in particular age group (%) | Definitive and suspected HNPCC cases |
|---|---|---|---|---|---|
-29 | 2 | 0.23 | 0 | 0 | 0 |
30-39 | 11 | 1.27 | 2 | 18.2 | 1 |
40-49 | 38 | 4.49 | 0 | 0 | 3 |
50-59 | 145 | 16.86 | 0 | 0 | 1 |
60-69 | 330 | 38.25 | 1 | 0.3 | 10 |
70-79 | 239 | 27.24 | 1 | 0.4 | 3 |
80-89 | 38 | 4.49 | 0 | 0 | 0 |
90- | 1 | 0.12 | 0 | 0 | 0 |
Age unknown | 61 | 7.05 | 0 | 0 | 0 |
Total | 865 | 100 | 4 | - | 18 |