Table 2.
Detection Rates and Differences in Detection Rates for Different Levels of Preparation Quality Based on BBPS Segment Scores. Effect of Colonic Segments’ BBPS on ADR
| A. Effect of Colonic Segments’ BBPS on ADR | |||||
| Segments’ score | ADR | Adjusted ADR | Comparison with BPPS | Adjusted ADR difference (95%CI) | |
| Right-sided colon | BBPS = 0 | 2/56 (3.6%) | 3.6% | BBPS2vs3 | -0.4% (- 0.9to 0.1%) |
| BBPS = 1 | 60/1214 (4.9%) | 4.9% | BBPS1vs3 | -2.3% (- 2.8%to-1.8%)* | |
| BBPS = 2 | 221/3243 (6.8%) | 6.9% | BBPS1vs2 | -1.9% (- 2.1%to-1.7%)* | |
| BBPS = 3 | 31/427 (7.3%) | 7.3% | BBPS0vs2 | -3.3% (- 3.8%to-2.7%)* | |
| BBPS0vs1 | -1.4% (- 2.2%to-0.5%)* | ||||
| Transverse colon | BBPS = 0 | 0/6 (0.0) | 0.0% | BBPS2vs3 | -0.9% (- 1.3%to-0.6%)* |
| BBPS = 1 | 15/356 (4.2%) | 4.2% | BBPS1vs3 | -4.9% (- 5.3%to-4.5%)* | |
| BBPS = 2 | 279/3407 (8.2%) | 8.2% | BBPS1vs2 | -4.0% (- 4.3%to- 3.7%)* | |
| BBPS = 3 | 107/1171 (9.1%) | 9.1% | BBPS0vs2 | -8.2% (- 8.4%to-8.0%)* | |
| BBPS0vs1 | -4.2% (- 4.5%to-4.0%)* | ||||
| Left-sided colon (sigmoid-rectum) | BBPS = 0 | 0/1 (0.0%) | 0.0% | BBPS2vs3 | -3.7% (-4.0%to-3.3%)* |
| BBPS = 1 | 6/87 (6.9%) | 6.9% | BBPS1vs3 | -5.0% (-5.7%to-4.4%)* | |
| BBPS = 2 | 155/1872 (8.3%) | 8.3% | BBPS1vs2 | -1.4% (-2.1%to-0.7%)* | |
| BBPS = 3 | 355/2980 (11.9%) | 12.0% | |||
| All the colonic segments | BBPS = 0 | 2/63 (3.2%) | 3.2% | BBPS2vs3 | -3.0% (- 3.3%to-2.9%)* |
| BBPS = 1 | 81/1657 (4.9%) | 4.9% | BBPS1vs3 | -5.9% (-6.1%to-5.7%)* | |
| BBPS = 2 | 655/8522 (7.7%) | 7.7% | BBPS1vs2 | -2.8% (- 3.0%to-2.6%)* | |
| BBPS = 3 | 49/4578 (10.8%) | 10.8% | BBPS0vs2 | -4.5% (- 5.0%to-4.0%)* | |
| BBPS0vs1 | -1.7% (- 2.2%to-1.2%)* | ||||
| B. Effect of Colonic Segments’ BBPS on AADR | |||||
| Segments’ score | AADR | Adjusted AADR | Comparison with BPPS | Adjusted AADR difference (95% CI) | |
| Right-sided colon | BBPS = 0 | 1/56 (1.8%) | 1.8% | BBPS2vs3 | -0.2% (- 0.7to 0.3%) |
| BBPS = 1 | 21/1214 (1.7%) | 1.7% | BBPS1vs3 | -1.8% (- 2.3%to-1.3%)* | |
| BBPS = 2 | 107/3243 (3.3%) | 3.3% | BBPS1vs2 | -1.6% (- 1.8%to-1.3%)* | |
| BBPS = 3 | 15/427 (3.5%) | 3.5% | BBPS0vs2 | -1.5% (- 2.0%to-1.0%)* | |
| BBPS0vs1 | 0.1% (- 0.6to 0.7%) | ||||
| Transverse colon | BBPS = 0 | 0/6 (0.0%) | 0.0% | BBPS2vs3 | -0.9% (- 1.1%to-0.7%)* |
| BBPS = 1 | 6/356 (1.7%) | 1.7% | BBPS1vs3 | -1.5% (- 1.8%to-1.2%)* | |
| BBPS = 2 | 77/3407 (2.3%) | 2.3% | BBPS1vs2 | -0.6% (- 0.8%to-0.3%)* | |
| BBPS = 3 | 37/1171 (3.2%) | 3.2% | BBPS0vs2 | -2.3% (- 2.4%to-2.2%)* | |
| BBPS0vs1 | -1.7% (- 3.3%to-0.0%)* | ||||
| Left-sided colon (sigmoid-rectum) | BBPS = 0 | 0/1 (0.0%) | 0.0% | BBPS2vs3 | -2.3% (- 2.6%to-1.9%)* |
| BBPS = 1 | 2/87 (2.3%) | 2.3% | BBPS1vs3 | -2.9% (- 3.7%to-2.1%)* | |
| BBPS = 2 | 55/1872 (2.9%) | 2.9% | BBPS1vs2 | -0.6% (- 0.9%to-0.3%)* | |
| BBPS = 3 | 155/2980 (5.2%) | 5.2% | |||
| All the colonic segments | BBPS = 0 | 1/63 (1.6%) | 1.6% | BBPS2vs3 | -1.7% (- 1.9%to-1.5%)* |
| BBPS = 1 | 29/1657 (1.8%) | 1.8% | BBPS1vs3 | -2.8% (- 3.0%to-2.6%)* | |
| BBPS = 2 | 239/8522 (2.8%) | 2.8% | BBPS1vs2 | -1.1% (- 1.2%to-0.9%)* | |
| BBPS = 3 | 207/4578 (4.5%) | 4.5% | BBPS0vs2 | -1.2% (- 1.6%to-0.8%)* | |
| BBPS0vs1 | -0.2% (- 0.7to 0.4%) | ||||
*Statistically significant, P < 0.05