Table 4.

Pleural Fluid Characteristics in Eight Patients

Appearance	Pleural Total Protein, g/L	Plasma Total Protein, g/L	Pleural: Plasma Ratio	Pleural LDH, IU/L	Serum LDH, IU/L	Pleural: Serum Ratio	Pleural Glucose, mg/dL	Pleural Total WBC Count,/μL	L, %	P, %
Straw colora	4.1	6.4	0.64	1,870	1,175	1.6	155	247	70	30
Straw colora	4.6	5.2	0.88	1,541	1,319	1.2	151	1,510	85	15
Straw color	2.9	4.6	0.63	1,506	1,019	1.5	276	183	37	63
Straw color	2.7	4.5	0.6	1,008	1,298	0.8	78	900	49	51
Straw color	2.9	4.4	0.66	2,003	ND	…	134	950	47	53
Serosanguineous	3.3	5.3	0.62	1,323	ND	…	247	2,070	50	50
Hemorrhagic	3.6	5.3	0.68	1,708	660	2.6	139	569	92	8
Hemorrhagic	4.6	5.9	0.78	2,771	2,068	1.3	634	700	50	50

Some of the pleural and blood biochemical results were obtained several hours apart. Therefore, pleural-serum ratios should be interpreted in that light. L = lymphocytes; LDH = lactate dehydrogenase; P = polymorphs. See Table 3 legend for expansion of other abbreviation.

^aInfluenza A(H5N1) positive.