Demographic characteristics and reasons for colonoscopy
| PEG-Asc-S | PEG-Asc-M | PEG-ES | p Value | |
|---|---|---|---|---|
| Number of cases, n (%) | 105 | 99 | 102 | |
| Male, sex, n (%) | 71 (67.6) | 62 (62.6) | 67 (65.7) | 0.753* |
| Age (year) | ||||
| Mean±SD | 62.7±11.6 | 63.5±10.7 | 64.2±11.6 | 0.657† |
| Range | 30–84 | 24–82 | 29–86 | |
| Number of previous colonoscopy | ||||
| Mean±SD | 4.4±5.1 | 5.7±6.4 | 5.1±5.2 | 0.255† |
| Range | 0–22 | 0–25 | 0–22 | |
| Reason for colonoscopy, n (%) | 0.655* | |||
| Follow-up of FOBT-positive participants | 23 (23.1) | 13 (13.1) | 15 (14.7) | |
| Colorectal cancer screening | 17 (16.2) | 13 (13.1) | 13 (12.7) | |
| Close inspection | 6 (5.7) | 6 (6.1) | 8 (7.8) | |
| Follow-up surveillance for polyps | 37 (35.2) | 34 (34.3) | 41 (40.2) | |
| Follow-up surveillance after endoscopic resection | 12 (11.4) | 19 (19.2) | 16 (15.7) | |
| Symptoms (pain, haematochezia, diarrhoea, etc) | 10 (9.5) | 14 (14.1) | 9 (8.8) | |
*Cochran-Mantel-Haenszel test.
†ANOVA.
ANOVA, analysis of variance; FOBT, faecal occult blood test; PEG-Asc, polyethylene glycol-ascorbic acid solution; PEG-ES, polyethylene glycol-electrolyte solution.