Table 1.
Selected Study Participant, Colonoscopy Exam, and Endoscopist Characteristics by Recommended 3- vs 5-Year Follow-up Colonoscopies for Previous LRAs
| Category | Factor | 3-year (%) (N=594) | 5-year (%) (N=966) | P value |
|---|---|---|---|---|
| Subject | Age, mean ± SD | 58.0 ± 6.9 | 57.7 ± 6.7 | .37 |
| Sex | .77 | |||
| Male | 361 (60.8) | 580 (60.0) | ||
| Female | 233 (39.2) | 386 (40.0) | ||
| Race | ||||
| White | 482 (81.1) | 821 (85.0) | <.0001 | |
| African American | 65 (10.9) | 65 (6.7) | ||
| Asian/Pacific Islander | 24 (4.0) | 15 (1.6) | ||
| Other/multiple/unknown | 23 (3.9) | 65 (6.7) | ||
| Hispanic ethnicitya | ||||
| No | 554 (93.4) | 898 (93.0) | .73 | |
| Yes | 39 (6.6) | 68 (7.0) | ||
| Smoking status | .15 | |||
| Never | 303 (51.0) | 538 (55.7) | ||
| Former | 235 (39.6) | 355 (36.8) | ||
| Current | 56 (9.4) | 73 (7.6) | ||
| BMIa | .09 | |||
| <25 | 140 (23.6) | 224 (23.3) | ||
| 25–29.9 | 222 (37.4) | 410 (42.6) | ||
| ≥ 30 | 232 (39.1) | 329 (34.2) | ||
| Family history of CRCa | ||||
| No | 434 (79.1) | 763 (84.4) | .01 | |
| Yes | 115 (21.0) | 142 (15.6) | ||
| Exam | Indicationa | .01 | ||
| Screening | 208 (35.1) | 387 (40.2) | ||
| Follow-up exam | 298 (50.3) | 409 (42.5) | ||
| Diagnostic | 87 (14.7) | 166 (17.3) | ||
| Quality of preparation Pre-preparationa | <.0001 | |||
| Excellent | 138 (23.2) | 407 (42.1) | ||
| Good | 232 (39.1) | 348 (36.0) | ||
| Adequate | 47 (7.9) | 62 (6.4) | ||
| Fair | 50 (8.4) | 44 (4.6) | ||
| Poor | 2 (0.3) | 0 (0.0) | ||
| Not stated in report | 125 (21.0) | 105 (10.9) | ||
| Endoscopista | Age (mean years ± SD) | 47.3 ± 8.1 | 48.7 ± 9.6 | .003 |
| Gender | ||||
| Male | 519 (87.5) | 820 (84.9) | .15 | |
| Female | 74 (12.5) | 146 (15.1) | ||
| Specialty | <.0001 | |||
| Gastroenterology | 531 (89.5) | 909 (94.1) | ||
| Internal medicine | 29 (4.9) | 43 (4.5) | ||
| General surgery | 26 (4.4) | 12 (1.2) | ||
| Other | 7(1.2) | 2 (0.2) | ||
| Index findings | No. of adenomas | <.0001 | ||
| 1 | 431 (72.6) | 815 (84.4) | ||
| 2 | 163 (27.4) | 151 (15.6) | ||
| No. of serrated polyps | <.0001 | |||
| 0 | 414 (69.7) | 779 (80.6) | ||
| 1–2 | 150 (25.3) | 174 (18.0) | ||
| 3+ | 30 (5.1) | 13 (1.4) | ||
| Clinically significant serrated polypa | ||||
| No | 531 (90.8) | 897 (94.0) | .02 | |
| Yes | 54 (9.2) | 57 (6.0) |
BMI, body mass index; CRC, colorectal cancer; SD, standard deviation.
a
Missing data not included above: Hispanic (n = 1), BMI (n=3), Family history of CRC (n = 106), Exam indication (n = 5)Endoscopist information (n=1), clinically significant serrated (n = 21).