Pathological examination results

Young and middle-aged group

Elderly group

P-value

adenomatous polyp

34 (52.31)

27 (77.14)

<0.05

inflammatory polyp

18 (27.69)

2 (5.71)

<0.05

benign tumors

11 (16.92)

2 (5.71)

>0.05

malignant tumors

1 (1.54)

4 (11.43)

>0.05

hyperplastic polyp

1 (1.54)

0 (0.00)

>0.05