Table 4 Comparison between pleural IL-33 levels in each studied groups

Pleural IL-33 in TPE N = 36

21.0–23.95

22.5 ± 0.90

10.7

< 0.001 (HS)

Pleural IL-33 in MPE N = 33

10.32–17.32

14.6 ± 2.35

Pleural IL-33 in Parapneumonic group N = 24

6.44–8.43

7.33 ± 0.72

39.7

< 0.001 (HS)

Pleural IL-33 in transudative group N = 24

7.12–8.21

7.53 ± 0.38

34.9

< 0.001 (HS)

Serum IL-33 in TPE N = 36

12.46–15.11

13.90 ± 0.85

6.73

> 0.05 (NS)

Serum IL-33 in MPE N = 33

15.21–20.32

13.50 ± 1.98