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| N = 133 | CRC | Controls |
| Number | 83 | 50 |
| Mean Age (years) | 60 (17) | 47 (16) |
| Sex: M/F | 53∶30 | 21∶29 |
| Mean BMI | 27 (7) | 26 (5) |
| Current Smokers (% of whole population) | 6.0% | 1.5% |
| Alcohol: Greater than recommended units/week (% of whole population) | 5.3% | 3.8% |
Figures in parenthesis are standard deviations (SD).
