Table 5: Association of ultrasound features

with the finding of true polyps.

True polyp vs.

pseudo polyp

Value

Degrees of freedom

p

OR

Thickened wall

1

0.203

3.022

(0.670-13.628)

Multiple polyps

1

0.703

1.833

(0.340-9.886)

Polypoid lesion

0.103

1

0.749

0.814

(0.231-2.866)

Lithiasis

1

0.523

1.867

(0.518-6.731)

OR = odds ratio.