Stage of Disease
Number of cases (%)
Heparanase activity in pleural fluids (% of cases)
Heparanase activity in cells (% of cases)
Typical
10 (25)
40
50
Simple complicated
4 (10)
75
67
Complex complicated
3 (7.5)
100
70
Acute+chronic empyema
23 (57.5)
95
100
Table 2:
Heparanase activity correlates with empyema progression.
