Table. 1—

Biochemical and cytological characteristics in tbuerculous and malignant pleural effusion (PE)

Tuberculous PEMalignant PEp-values#
Subjects n3230
Protein g·L−140.5±0.2836.9±0.280.278
Lactate dehydrogenase IU·L−1554.5±95.3786.0±152.10.386
Total cell counts ×109·L−12.39±0.131.46±0.08<0.001
Differential cell counts %
 Lymphocyte73.1±1.246.8±1.2<0.001
 Neutrophil12.6±0.83.8±.06<0.001
 Macrophage12.9±0.838.3±1.7<0.001
 Mesothelial cell1.7±0.26.8±0.7<0.001
 Malignant cell4.3±1.0
  • Data are presented as mean±sem, unless otherwise stated. #: the comparison between tuberculous and malignant groups was performed using the Mann-Whitney U-test.