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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

From: The effect of quality of segmental bowel preparation on adenoma detection rate

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%)
  1. *Statistically significant, P < 0.05