Table 2 Extent and intensity of PPARγ expression in normal ovaries and tumour tissues

From: Enhanced expression of peroxisome proliferator-activated receptor gamma in epithelial ovarian carcinoma

Histology

Total number of tissues

Extent of staining (number of tissues)

Intensity of staining (number of tissues)

Normal

10

0 (10)

− (10)

Benign

8

0 (7), 1 (1)

− (7), + (1)

Borderline

10

0 (9), 1 (1)

− (9), + (1)

Grade 1

7

0 (0), 1 (6), 2 (0), 3 (1)

− (0), + (3), ++ (4)

Grade 2

9

0 (1), 1 (5), 2 (1), 3 (2)

− (1), + (5), ++ (3)

Grade 3

12

0 (1), 1 (5), 2 (1), 3 (5)

− (1), + (7), ++ (4)

Total

56

56

56

  1. PPAR=peroxisome proliferator-activated receptor.
  2. Extent of PPARγ expression was scored as 0 (⩽10%), 1 (⩾11–25%), 2 (⩾26–50%), 3 (⩾51–75%), 4(⩾76–90%) and 5 (⩾91–100%) immunoreactivity. Values within parentheses indicate number of tissues in each category. The extent of staining was significantly different in grade 1, 2 and 3 tumours compared to benign and borderline tumours (χ2=48.80; P<0.001). The intensity of staining was scored as negative (−), weak (+), moderate (++) and strong (+++) staining. The values within parentheses indicate the number of tissues in each category. The intensity of staining was significantly different in grade 1, 2 and 3 tumours compared to benign and borderline tumours (χ2=43.93; P<0.001).
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