Appendix Table 2.
Polypectomy rate stratified by size of polyp. This analysis was performed to assess whether increase in polyp detection and adenoma detection was driven primarily by physicians finding small polyps.
All Colonoscopies (n=17,526) | Colonoscopies before Public Reporting (July ‘09–April ‘10) (n=2,627) | Colonoscopies after Public Reporting (Nov ‘10–May ‘13) (n=14,899) | P value | |
---|---|---|---|---|
All polyp sizes | 9,299 (53.1%) | 1,227 (46.7%) | 8,072 (54.2%) | <0.001 |
Polyp size 1–3 mm | 1387 (7.9%) | 175 (6.7%) | 1212 (8.1%) | 0.01 |
Polyp size 4–6 mm | 3756 (21.4%) | 425 (16.2%) | 3331 (22.4%) | <0.001 |
Polyp size 7–9 mm | 1395 (8.0%) | 208 (7.9%) | 1187 (8.0%) | 0.932 |
Polyp size 10 mm or greater | 1,905 (10.9%) | 299 (11.4%) | 1606 (10.8%) | <0.001 |
Size not reported | 856 (4.9%) | 120 (4.6%) | 736 (4.9%) | 0.415 |