HD vs SD technologies: demographics, PDR, ADR and procedural characteristics
| Patients (n=262) | P value | |||||
| HD (n=133) | SD (n=129) | |||||
| Age | (years, mean±SD) | 66.10±4.07 | 66.30±4.30 | |||
| N | % | N | % | |||
| Gender | Female | 49 | 36.8% | 45 | 34.9% | 0.80 |
| Male | 84 | 63.2% | 84 | 65.1% | ||
| PDR | No | 59 | 44.4% | 56 | 43.4% | 0.90 |
| Yes | 74 | 55.6% | 73 | 56.6% | ||
| ADR | No | 66 | 49.6% | 65 | 50.4% | 0.45 |
| Yes | 58 | 43.6% | 59 | 45.7% | ||
| n/a | 9 | 6.8% | 5 | 3.9% | ||
| Diverticular disease | No | 85 | 63.9% | 74 | 57.4% | 0.31 |
| Yes | 48 | 36.1% | 55 | 42.6% | ||
| Abdominal surgery | No | 123 | 92.5% | 120 | 93.0% | 0.91 |
| Yes | 10 | 7.5% | 9 | 7.0% | ||
| Bowel preparation quality | Poor | 8 | 6.0% | 6 | 4.7% | 0.26 |
| Satisfactory | 51 | 38.3% | 49 | 38.0% | ||
| Good | 74 | 55.6% | 74 | 57.4% | ||
| Bowel preparation type | Citramag | 67 | 50.4% | 55 | 42.6% | 0.31 |
| Kleanprep | 25 | 18.8% | 23 | 17.8% | ||
| Other | 41 | 30.8% | 51 | 39.5% | ||
| Retroverted view | No | 3 | 2.3% | 3 | 2.3% | 0.83 |
| Yes | 76 | 57.1% | 69 | 53.5% | ||
| n/a | 54 | 40.6% | 57 | 44.2% | ||
| Image or contrast enhancement | No | 102 | 76.7% | 113 | 87.6% | 0.02 |
| Yes | 31 | 23.3% | 16 | 12.4% | ||
| Procedural difficulty | 1 | 16 | 12.0% | 10 | 7.8% | 0.71 |
| 2 | 64 | 48.1% | 64 | 49.6% | ||
| 3 | 13 | 9.8% | 13 | 10.1% | ||
| n/a | 40 | 30.1% | 42 | 32.6% | ||
| Patient comfort score | 1 | 85 | 63.9% | 86 | 66.7% | 0.23 |
| 2 | 34 | 25.6% | 22 | 17.1% | ||
| 3 | 14 | 10.5% | 18 | 14.0% | ||
| 4 | 0 | 0.0% | 3 | 2.3% | ||
| Sedation used (mean±SD) | Midazolam (mg) | 1.44±1.05 | 1.42±0.83 | 0.86 | ||
| Fentanyl (µg) | 47.2±31.3 | 45.5±27.2 | 0.64 | |||
| Buscopan (mg) | 11.13±9.43 | 10.74±9.98 | 0.18 | |||
| Total procedure time (min) | 25.49±12.53 | 26.65±12.62 | 0.46 | |||
| Caecal intubation time (min) | 10.36±5.47 | 11.04±6.49 | 0.36 | |||
| Withdrawal time (min) | 16.54±8.12 | 17.58±8.43 | 0.36 | |||
ADR, adenoma detection rate; HD, High Definition PentaxHiLine; n/a, not applicable; PDR, polyp detection rate; SD, Standard Definition Olympus-Lucera.