Table 1.
Distribution of the adenoma detection rate (ADR) and the number of colonoscopies in each region subgroup according to age and sex and in both work-up and primary colonoscopy groups.
| Work-up colonoscopy |
Primary colonoscopy |
||||
|---|---|---|---|---|---|
| ADR (%) | Number | ADR (%) | Number | ||
| Age (years) | 50–59 | 53 (21–78) | 16 (9–35) | 28 (14–47) | 158.5 (120–288) |
| 60–69 | 56 (38–83) | 22.5 (9–50) | 36 (16–51) | 138 (88–246) | |
| Sex | Male | 67 (26–78) | 17.5 (9–50) | 37 (22–51) | 156 (89–261) |
| Female | 45 (21–83) | 18 (9–29) | 23 (14–51) | 155.5 (88–288) | |
| Overall | 55 (21–83) | 17.5 (9–50) | 55 (21–83) | 155.5 (88–288) | |
Data are expressed as the median and range.