Table 4: Analysis of laboratory values

between polyps and pseudopolyps.

Levene’s test for variance equality

Variable

F

Sig.

t

GL

p

Total

bilirubin

8.757

0.005

1.489

50

0.143

 

 

0.882

12.276

0.395

Indirect

bilirubin

1.288

0.262

1.219

50

0.229

–

–

0.920

14.494

0.373

Aspartate

aminotransferase

0.051

0.823

0.070

50

0.944

–

–

0.095

41.227

0.925

Alanine

aminotransferase

0.506

0.480

-0.327

50

0.745

–

–

-0.530

47.867

0.599

Alkaline

phosphatase

0.131

0.719

-0.121

50

0.904

–

–

-0.114

18.779

0.911

Gamma

glutamyl-

transpeptidase

2.963

0.091

0.979

50

0.332

–

–

0.710

14.012

0.489

Lactate

dehydrogenase

0.049

0.826

-0.762

37

0.451

–

–

-0.921

14.746

0.372

U-value

Direct

bilirubin

-0.625*

 

 

 

0.532

* U value = to nonparametric Mann-Whitney U test.