Table 2.

Physical, cytological & biochemical analysis of pleural fluid

	Group A	Group B	pvalue
	N: 21 patients	N: 18 patients
Type of effusion			0.493
Exudative*	4 (19.2%)	2 (11.2%)
Transudative*	17 (80.8%)	16 (87.8%)
Character			0.447
Hemorrhagic*	14 (66.7%)	10 (55.6%)
Serosanguinous*	7 (33.3%)	8 (45.4%)
Cytology			0.458
Positive malignant cells*	20 (95.3%)	16 (87.8%)
No malignant cells*	1 (4.7% )	2 (11.2%)
LDH content (IU/L)^	220.0 ± 95.5	296.8 ± 75.1	0.209
Total protein (g/L)^	93.1 ± 55.6	107.0 ± 59.9	0.457

*Number (%).

^mean ± SD.

IU/L: International Unit per Liter.

g/L: gram per Liter.