The Exploration of Peptide Biomarkers in Malignant Pleural Effusion of Lung Cancer Using Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry

Table 1

Clinical and laboratorial characteristics of the patients with malignant and tuberculosis pleural effusion.

	Malignant pleural effusion	Tuberculosis pleural effusion	value
Gender (%)			0.275
Male	40 (60.60)	23 (71.88)
Female	26 (39.40)	9 (28.12)
Age (years)			<0.0001
Median (range)	61 (36–82)	29 (15–96)
Smoking status (%)			0.187
Ever-smoker	32 (48.48)	11 (34.38)
Never-smoker	34 (51.52)	21 (65.62)
Character (%)			<0.0001
Bloody	42 (63.64)	2 (6.25)
Nonbloody	24 (36.36)	30 (93.75)
Cytopathology			ND
Positive	46 (69.70)	0 (0)
Negative	20 (30.30)	32 (100)
Protein level (g/L)	42.38 ± 9.09	44.97 ± 7.62	0.167
LDH level (U/L)	406.38 ± 328.59	394.88 ± 271.61	0.864
Cell count (×10^6)	16801.00 ± 56862.44	10230.06 ± 13119.59	0.521

ND = not down.