Table 1.
Characteristics of Dietary Intervention, Stem cells and Colorectal Cancer study participants
(Mean values and ranges; numbers of participants; ratios; percentages)*
| Intervention group... | A | B | C | D | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | Range | Mean | Range | Mean | Range | Mean | Range | |||||
| Resistant starch | – | – | + | + | ||||||||
| Polydextrose | – | + | – | + | ||||||||
| n | 20 | 20 | 17 | 18 | ||||||||
| Age (years) | 48 | 30–70 | 58 | 33–80 | 53 | 42–67 | 50 | 36–74 | ||||
| Sex (males:females) | 10:10 | 11:9 | 13:4 | 6:12 | ||||||||
| Ethnicity (n) | ||||||||||||
| Caucasian | 19 | 19 | 17 | 18 | ||||||||
| Black African | 1 | 0 | 0 | 0 | ||||||||
| Mixed race | 0 | 1 | 0 | 0 | ||||||||
| Endoscopy procedure (%) | ||||||||||||
| Colonoscopy | 30 | 30 | 35 | 28 | ||||||||
| Flexible sigmoidoscopy | 70 | 70 | 65 | 72 | ||||||||
| BMI (kg/m2) | 29·8 | 23–37 | 29·7 | 23–49 | 30·9 | 23–43 | 29·9 | 23–42 | ||||
| Smoking status (n) | ||||||||||||
| Never | 12 | 12 | 8 | 6 | ||||||||
| Former | 4 | 5 | 6 | 6 | ||||||||
| Current | 4 | 3 | 3 | 6 | ||||||||
*
Data are presented as number of participants (n) with the exception of age and BMI presented as mean (range) and endoscopy procedure presented as proportion of participants (%).