Table 2. Colonoscopy quality metrics by endoscopist characteristics, NHCR 2009 – 2014.
| Total | ADR | ADR-plus | SADR | SADR-plus | PDR | ||
| P value | P value | P value | P value | P value | |||
| Endoscopist characteristics 1 | n | % | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) |
| Total | 22.1 (9.1) | 1.5 (0.2) | 26.9 (11.4) | 1.5 (0.2) | 39.2 (16.4) | ||
| age in years (Median = 50, IQR: 43 – 58) | 0.01 | 0.04 | 0.01 | 0.25 | 0.01 | ||
| < 40 | 11 | 16.7 | 28.5 (9.0) | 1.7 (0.2) | 35.3 (12.6) | 1.6 (0.2) | 52.4 (17.0) |
| 40 – 59 | 41 | 62.1 | 21.6 (8.4) | 1.5 (0.2) | 26.3 (10.9) | 1.5 (0.2) | 36.7 (13.8) |
| ≥ 60 | 14 | 21.2 | 17.9 (9.5) | 1.4 (0.3) | 21.2 (10.5) | 1.5 (0.2) | 34.6 (16.8) |
| Gender | 0.60 | 0.84 | 0.65 | 0.93 | 0.88 | ||
| Male | 59 | 85.5 | 20.7 (8.7) | 1.5 (0.2) | 25.3 (10.6) | 1.5 (0.2) | 39.9 (21.6) |
| Female | 10 | 14.5 | 22.3 (9.2) | 1.4 (0.2) | 27.1 (11.6) | 1.5 (0.2) | 39.1 (15.5) |
| Endoscopy Specialty | < 0.0001 | 0.22 | 0.0002 | 0.60 | 0.001 | ||
| Gastroenterology | 51 | 75.0 | 24.5 (8.0) | 1.5 (0.2) | 29.8 (10.4) | 1.5 (0.2) | 43.0 (14.7) |
| Surgery | 17 | 25.0 | 14.8 (8.7) | 1.5 (0.2) | 18.6 (10.5) | 1.5 (0.2) | 28.4 (16.9) |
| No. years since residency (Median = 17 IQR: 10.5 – 26.5) | 0.03 | 0.01 | 0.02 | 0.03 | 0.03 | ||
| 1 – 7 | 11 | 16.2 | 27.7 (8.0) | 1.7 (0.1) | 34.1 (10.5) | 1.6 (0.1) | 52.7 (18.0) |
| 8 – 14 | 17 | 25.0 | 22.8 (8.5) | 1.5 (0.2) | 28.6 (11.5) | 1.5 (0.2) | 39.9 (14.3) |
| 15 – 19 | 11 | 16.2 | 24.1 (10.6) | 1.6 (0.3) | 28.8 (13.3) | 1.6 (0.2) | 37.7 (16.6) |
| 20 – 28 | 15 | 22.1 | 20.8 (7.1) | 1.4 (0.3) | 25.0 (8.7) | 1.4 (0.2) | 36.4 (13.9) |
| ≥ 29 | 14 | 20.6 | 16.6 (9.4) | 1.4 (0.2) | 19.7 (10.5 | 1.3 (0.2) | 32.6 (16.1) |
NHCR, New Hampshire Colonoscopy Registry; IQR, interquartile range; ADR, adenoma detection rate; ADR-plus, adenoma detection rate-plus; SADR, serrated and adenoma polyp detection rate; SADR-plus, serrated and adenoma polyp detection rate-plus; PDR, polyp detection rate
1
Missing (N): age (3); specialty (1); number of years since residency (1)