Table 1 Distribution of the main characteristics by completeness of colonoscopy
| Â | Complete colonoscopy | P value | |
|---|---|---|---|
| Â | Yes (n = 1289) | No (n = 92) | Â |
Sex (%) | Â | Â | Ns |
   Female | 53.4% | 54.3% |  |
Age | Â | Â | 0.007 |
   Mean ± SD | 60.5 ± 13.6 | 64.2 ± 15.3 |  |
   Range | 14-95 | 21-91 |  |
Body Weight (kg) | Â | Â | Ns |
   Mean ± SD | 71.7 ± 14.1 | 69.8 ± 15.5 |  |
   Range | 37-135 | 42-120 |  |
ASA (%) | Â | Â | 0.002 |
   1 | 38.3% | 36.9% |  |
   2 | 53.9% | 44.6% |  |
   3+4 | 7.8% | 18.5% |  |
Propofol (mg) | Â | Â | 0.02 |
   Mean ± SD | 191.2 ± 78.3 | 172.1 ± 91.6 |  |
   Range | 30-650 | 20-430 |  |
Duration of procedure (minutes) | Â | Â | Ns |
   Mean ± SD | 24.4 ± 11.1 | 23.8 ± 13.4 |  |
   Range | 5-85 | 4-70 |  |
O2 l/m (%) | Â | Â | Ns |
   ≤ 4 l/m | 95.4% (n = 992) | 96% (n = 72) |  |
   > 4 l/m | 4.6% (n = 48) | 4% (n = 3) |  |
   Missing (n) | 249 | 17 |  |
SPO2 | Â | Â | Ns |
   Mean ± SD | 98.54 ± 1.73 | 98.46 ± 1.77 |  |
   Range | 80-100 | 89-100 |  |
   Missing (n) | 83 | 6 |  |
Presence of AAI (%) | Â | Â | 0.02 |
   Yes | 5.2% | 10.9% |  |
Endoscopists (n = 21) (%) | Â | Â | < 0.0001 |
   Less experienced non-specialists (n = 7) | 9.7% | 25.0% |  |
   More experienced non-specialists (n = 8) | 66.1% | 66.3% |  |
   Highly experienced specialists (n = 6) | 24.2% | 8.7% |  |
Bowel preparation (%) | Â | Â | < 0.0001 |
   Adequate | 72.7% | 46.7% |  |
   With residual matter | 24.1% | 26.1% |  |
   Inadequate | 3.2% | 27.2% |  |
Polypectomy (%) | Â | Â | 0.03 |
   Yes | 17.3% | 8.7% |  |