Table 5 Variables recorded in bacteriology (urine samples), macroscopic pathological evaluation (bladders) and histopathological evaluation (bladders)

Bacteriology

 Number of colony forming units pr. mL (CFU/mL)

0, < 10³, 10³, 10⁴, 10⁵, 10⁶

Macroscopic organ evaluation

 Weight

Weight in grams (1 g accuracy)

 Content

Normal urine, presence of pus, blood and/or concrements

 Hyperemic mucosa

No redness, mild redness (light or pale pink), intense redness (dark pink to red)

 Thickening of the bladder wall

Present/not present

Histopathology

 Lymphocytic foci

Foci/no foci

 Edema

Edema/no edema

 Hyperemia

Hyperemia/no hyperemia

 Number of mononuclear cells

0–?

 Number of neutrophils

0–?

 Acute inflammation

Neutrophils in combination with edema and/or hyperemia

 Chronic inflammation

 > 40 mononuclear cells/HPF*, no other inflammatory signs

 Chronic-active inflammation

 > 40 mononuclear cells /HPF* in combination with the lesions of acute cystitis