Poster Session C - Monday Afternoon
Category: Colorectal Cancer Prevention
Jason A. Dominitz, MD, MHS
Veterans Health Administration
Seattle, WA
Colonoscopy for Abnormal FIT-DNA vs. Average Risk Screening vs. Abnormal FOBT: Patient Characteristics, Findings and Follow-Up Recommendations After a Negative Exam | |||
FIT-DNA+ (n=23,046) | Average Risk Screening (n=1,760,840) | FOBT+ (n=26,455) | |
Age, mean (sd) | 64.2 (7.1) | 58.7 (7.2) | 63.8 (7.2) |
Male (%) Female (%) | 9,939 (43.1) 13,107 (56.9) | 816,630 (46.4) 944,210 (53.6) | 12,698 (48.0) 13,757 (52.0) |
White (%) Black of African American (%) Asian (%) Other (%) Unknown/Declined (%) | 15,777 (68.5) 1085 (4.7) 211 (0.9) 514 (2.2) 5459 (23.7) | 1,022,859 (58.1) 171,348 (9.7) 56,644 (3.2) 68,966 (3.9) 441,033 (25.1) | 16,387 (61.9) 2112 (8.0) 959 (3.6) 1224 (4.6) 5773 (21.8) |
Non-Hispanic (%) Hispanic/Latino (%) Unknown/Decline | 14,234 (61.8) 560 (2.4) 8252 (35.8) | 1,018,724 (57.9) 107,147 (6.1) 634,969 (36.1) | 16,691 (63.1) 2407 (9.1) 7357 (27.8) |
Total endoscopists contributing colonoscopies | 2650 | 4845 | 3223 |
Endoscopist mean ADR‡ (sd) with minimum 50 colonoscopies | 39.1% (10.2) (Endoscopist n=2467) | 39.2% (10.9) (Endoscopist n=3878) | 39.5% (10.6) (Endoscopist n=3006) |
Colonoscopy Findings | |||
Adenoma Detection Rate (ADR) | 59.6% *§ | 39.3% § | 53.8% |
ADR for Males | 67.6% *§ | 46.4% § | 61.0% |
ADR for Females | 53.6% *§ | 33.2% § | 47.2% |
Advanced Neoplasia Detection± | 22.2% *§ | 7.6% § | 17.4% |
Sessile Serrated Lesion Detection | 16.2% *§ | 8.2% † | 8.8% |
Adenocarcinoma Detection | 1.5% * | 0.3% § | 1.4% |
Analysis of Subgroup with No Polyps on Colonoscopy (i.e., No Pathology Obtained) | |||
Median Withdrawal Time, Minutes (interquartile range) | (n=4211) 8.5 (6.9-11.0) *§ | (n=673,519) 7.8 (6.4-9.9) | (n=7455) 7.8 (6.3-10.1) |
Next Recommended Colonoscopy (limited to age 50-65, ASA< IV, exclude other or none) < 10 Years (%) 10 Years (%) | (n=2125) 422 (19.9) 1703 (80.1) | (n=567,568) 72,403 (12.8) 495,165 (87.2) | (n=4301) 579 (13.5) 3722 (86.5) |
Next Recommended Colonoscopy (limited to age 50-65, ASA< IV, exclude other or none) ≤3 Years (%) 4 or 5 Years (%) 6-9 Years (%) 10 Years (%) Excluded intervals n: Other None | (n=2125) *§ 76 (3.6) 333 (15.7) 13 (0.6) 1703 (80.1) 15 18 | (n=567,568) § 3840 (0.7) 65,289 (11.5) 3274 (0.6) 495,165 (87.2) 2335 974 | (n=4301) 65 (1.5) 478 (11.1) 36 (0.8) 3722 (86.5) 29 19 |