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

Male

54 (13.1)

357 (86.9)

411

1.507 (0.930 - 2.442)

0.091

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

Positive hemocult

3 (30.0)

7 (70.0)

10

3.385 (0.858 - 13.357)

0.097

Family history of colorectal cancer

1 (16.7)

5 (83.3)

6

1.546 (0.178 - 13.396)

0.521

Surveillance

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

Rectorrhagia

23 (11.0)

187 (89.0)

210

0.926 (0.555 - 1.543)

0.766

Abdominal pain

16 (8.5)

172 (91.5)

188

0.647 (0.365 - 1.148)

0.124

Constipation

17 (13.4)

110 (86.6)

127

1.239 (0.699 - 2.195)

0.470

Iron deficiency anemia

5 (8.6)

53 (91.4)

58

0.708 (0.275 - 1.826)

0.457

Weight loss

7 (12.5)

49 (87.5)

56

1.109 (0.485 - 2.536)

0.809

Diarrhea

0 (0)

39 (100)

39

/

0.016

Abdominal or rectal mass

2 (6.5)

29 (93.5)

31

0.519 (0.122 - 2.216)

0.565

Alternating diarrhea constipation

1 (5.0)

19 (95.0)

20

0.398 (0.053 - 3.010)

0.718

Proctalgia

0 (0)

20 (100)

20

/

0.152

Melena

1 (7.7)

12 (92.3)

13

0.637 (0.082 - 4.962)

0.647