Research Article

VEGF Correlates with Inflammation and Fibrosis in Tuberculous Pleural Effusion

Table 4

Pleural fluid variables and pulmonary function in patients with or without development of residual pleural thickening (RPT).

RPT (+)RPT (−) value
( = 14)( = 28)

Effusion status
 Effusion CXR score, %, mean ± SD71 ± 2044 ± 12<0.001
 Loculation, (%)14 (100)0 (0)0.002
Pleural fluid
 pH value 7.27 (7.22–7.30)7.35 (7.25–7.39)0.013
 Glucose, mg/dL100 (73–140)106 (76–129)0.947
 LDH, IU/dL328 (229–666)289 (154–532)0.126
 Leukocyte count, cells/L2840 (1521–4410)1437 (720–2000)0.028
 PAI-1, ng/mL143.1 (111.1–208.0)113.7 (78.0–122.5)0.043
 tPA, ng/mL 10.4 (8.2–12.7)15.8 (4.8–21.0)0.028
 PAI-1/tPA ratio11.7 (5.0–16.7)5.2 (2.9–8.4)<0.001
 IL-8, pg/mL 419 (312–985)248 (96–502)0.025
 VEGF, pg/mL 2054 (1909–3387)516 (274–693)<0.001
FVC, % predicted
 At 6 months74 (73–75)80 (79–81)<0.001

See Table 2 for definition of the abbreviations. RPT: residual pleural thickening ≥10mm shown on CXR at the end of 6-month follow-up; FVC: forced vital capacity.
Data are presented as median (IQR) unless specified.