Time since last colonoscopy in months; and number, cumulative number and cumulative % of colorectal cancer (CRC) cases diagnosed in each time interval
| Months since last colonoscopy | Number of cases | Cumulative number of cases | Cumulative % |
|---|---|---|---|
| 0–5 | 0 | 0 | 0 |
| 6–11 | 9 | 9 | 6 |
| 12–17 | 23 | 32 | 22 |
| 18–23 | 13 | 45 | 31 |
| 24–29 | 39 | 84 | 58 |
| 30–35 | 10 | 94 | 65 |
| 36–41 | 21 | 115 | 79 |
| 42–59 | 18 | 133 | 92 |
| 60–125 | 12 | 145 | 100 |
Six cases counted once here had two synchronous CRCs, cf table 2 showing 151 CRC diagnoses.