Table 1.

Comparison of clinical factors between patients with pleural based mass (n = 42) and patients without pleural based mass (n = 80)

Demographic indices	Pleural based mass (n = 42)	No pleural based mass (n = 80)	P value
Age, y	29(22–47)	42(27–59)	0.001*
Male	29 (69.0%)	52(65.0%)	0.341
Clinical factors
Plural thickness (millimeter)	33 (78.6%)	21 (26.3%)	0.001*
Pulmonary parenchyma TB involved	28 (66.7%)	48 (60.0%)	0.108
Pleural adhesion	20 (47.6%)	15 (18.8%)	0.001*
Culture positive (pleural effusion)	4 (9.5%)	4 (5.0%)	0.247
Culture positive (sputum)	4 (9.5%)	7 (8.8%)	0.825
Loculated pleural effusion	20 (47.6%)	15 (18.8%)	0.001*
Residual pleural effusion	24 (57.1%)	10 (12.5%)	0.000*

TB = tuberculosis

*P < 0.05