| Presence of polyp n (%) | Absence of polyp n (%) | Total n | OR (95% CI) | p value | Adjusted OR (95% CI) | Adjusted p value |
Age ≥ 50 years | 52 (12.0) | 380 (88.0) | 432 | 1.132 (0.699 - 1.834) | 0.611 |
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Male | 54 (13.1) | 357 (86.9) | 411 | 1.507 (0.930 - 2.442) | 0.091 |
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Complete colonoscopy | 72 (13.1) | 479 (86.9) | 551 | 2.360 (1.189 - 4.684) | 0.007 | 2.099 (1.048 - 4.205) | 0.036 |
Screening |
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Positive hemocult | 3 (30.0) | 7 (70.0) | 10 | 3.385 (0.858 - 13.357) | 0.097 |
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Family history of colorectal cancer | 1 (16.7) | 5 (83.3) | 6 | 1.546 (0.178 - 13.396) | 0.521 |
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Surveillance |
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Colorectal cancer surveillance | 6 (28.6) | 15 (71.4) | 21 | 3.242 (1.221 - 8.606) | 0.025 | 3.632 (1.354 - 9.742) | 0.010 |
Polyp monitoring | 7 (87.5) | 1 (12.5) | 8 | 58.800 (7.136 - 484.474) | <0.001 | 56.255 (6.799 - 465.437) | <0.001 |
Surveillance of ulcerative colitis | 3 (42.9) | 4 (57.1) | 7 | 5.953 (1.308 - 27.084) | 0.036 | 6.652 (1.441 - 30.700) | 0.015 |
Symptom evaluation |
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Rectorrhagia | 23 (11.0) | 187 (89.0) | 210 | 0.926 (0.555 - 1.543) | 0.766 |
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Abdominal pain | 16 (8.5) | 172 (91.5) | 188 | 0.647 (0.365 - 1.148) | 0.124 |
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Constipation | 17 (13.4) | 110 (86.6) | 127 | 1.239 (0.699 - 2.195) | 0.470 |
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Iron deficiency anemia | 5 (8.6) | 53 (91.4) | 58 | 0.708 (0.275 - 1.826) | 0.457 |
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Weight loss | 7 (12.5) | 49 (87.5) | 56 | 1.109 (0.485 - 2.536) | 0.809 |
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Diarrhea | 0 (0) | 39 (100) | 39 | / | 0.016 |
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Abdominal or rectal mass | 2 (6.5) | 29 (93.5) | 31 | 0.519 (0.122 - 2.216) | 0.565 |
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Alternating diarrhea constipation | 1 (5.0) | 19 (95.0) | 20 | 0.398 (0.053 - 3.010) | 0.718 |
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Proctalgia | 0 (0) | 20 (100) | 20 | / | 0.152 |
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Melena | 1 (7.7) | 12 (92.3) | 13 | 0.637 (0.082 - 4.962) | 0.647 |
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