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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