Relations between serum and pleural fluid biomarkers: a new look of an old concept

The Egyptian Journal of Bronchology

Table 3 Multivariate analysis of predictors used in malignancy

Variable	Coefficient	Odd	95% CI	P
Age	0.11	1.12	(1.0577, 1.1835)	< 0.001
Pleural fluid glucose	0.01	1.01	(0.9897, 1.0339)	0.28
Serum LDH	0.01	1.01	(0.9940, 1.0178)	0.33
Pleural fluid ADA	0.05	1.05	(0.9415, 1.1651)	0.40
Cancer ratio	0.33	1.40	(1.0544, 1.8485)	0.007
Pleural fluid lymphocyte count	− 3.93	0.02	(0.0004, 1.0271)	0.05
Serum LDH to pleural fluid lymphocyte count	0.00	1.00	(0.9957, 0.9991)	0.003

Person χ² = 162.02, P = 0.12, the model adjusted for all variables using stepwise elimination methods, the sign before the coefficient denote the direction of relationship, P considered significant if < 0.05
CI confident interval